–THE BEST FREE PATTERNS–
21
Free Crochet
Baby Romper Patterns
21 fantastic and completely free crochet baby romper patterns. There is nothing cuter than a baby in a onesie! I’ve also included links to eight of my favourite premium paid patterns on Etsy.

Crochet Baby Overall Pattern from Sirin’s Crochet
A YouTube video tutorial accompanies this free crochet baby romper pattern.
SIZE: newborn size, 17″ (45 cm from top to bottom, 10″ (25 cm) across the chest. Note: you can fold up cuffs and cross the straps to shorten them.
YARN WEIGHT: #3 / Light / DK / Light Worsted weight yarn.
HOW MUCH YARN DO I NEED?: just over 100 g.
RECOMMENDED HOOK SIZE: 3.50 mm (E-4) and 4 mm (G-6) crochet hooks.
NOTIONS: a yarn needle, scissors, measuring tape, and two buttons.
The Calming Green Crochet Baby Romper from Croby Patterns
This easy, beginner-friendly free pattern is complemented by a step-by-step YouTube video tutorial that will teach you how to crochet a baby romper. This simple but modern-looking overall design is suited to a baby boy or girl. Crocheted from the bottom up, you can optionally include buttons or studs to the legs to facilitate diaper changes.
SIZE: 0-6 months – finished measurements – hip to hip 23cm or 9 inches and from top to bottom 37cm or 14.5 inches (including legs and straps).
YARN WEIGHT: #4 / Medium / Worsted / Aran weight, cotton yarn, e.g., DROPS Paris from Garnstudio.
HOW MUCH YARN DO I NEED?: two skeins of DROPS Paris in green and one skein in beige.
RECOMMENDED HOOK SIZE: 4.50 mm (7) crochet hook (or size needed to obtain gauge).
NOTIONS: two stitch markers, a tapestry needle, two 2cm buttons, and scissors.

Elegant Romper from Baby Crochet Designs
The free version of this cute crochet baby romper includes instructions for the newborn size only.
SIZE: newborn.
YARN WEIGHT: #3 / Light / DK / Light Worsted weight yarn.
HOW MUCH YARN DO I NEED?: about 207 yds/190 m.
RECOMMENDED HOOK SIZE: 4 mm (G-6) crochet hook.
NOTIONS: four 15 mm buttons, a tape measure, scissors, and a yarn needle.
SPECIAL STITCHES/TECHNIQUES USED: Criss Cross Stitch.

Crochet Rainbow Romper for Baby from Creativa Atelier
A very sweet free crochet baby romper from Creativa Atelier, the pattern page includes a tutorial and step-by-step photographs.
SIZE: 1-3 months.
YARN WEIGHT: #2 / Fine / Sport weight, cotton yarn, e.g., Style Creativa Fino from Anchor.
HOW MUCH YARN DO I NEED?: you will need seven 50g skeins in seven different colours.
RECOMMENDED HOOK SIZE: 2.75 mm (C-2) crochet hook.
NOTIONS: stitch marker, tapestry needle, four snap buttons, scissors
SPECIAL STITCHES/TECHNIQUES USED: Front Post Single Crochet.
The Martha Romper from Wooly Wonders Crochet
This free pattern is a YouTube video tutorial. Focused on teaching you how to crochet a cute baby girl’s romper, it is easy to follow and suitable for a beginner; every step is explained clearly and in detail.
SIZE: 0-6 months and 6-12 months
YARN WEIGHT: #3 / Light / DK / Light Worsted weight yarn, e.g., DROPS Lima from Garnstudio.
RECOMMENDED HOOK SIZE: 4.50 mm (7) crochet hook for the 0-6 months size, and a 5 mm (H-8) crochet hook for the 6-12 months size.
NOTIONS: yarn needle, scissors, and one button.
Crochet Baby Romper Bjorn from Frisian Knitting
A simple, free pattern for a crochet baby romper with cute ribbed cuffs. This free pattern is available as an easy-to-follow youtube tutorial. The written version is available to purchase (details in the description section of the video)
SIZE: approximately 6-9 months.
YARN WEIGHT: #4 / Medium / Worsted / Aran weight yarn.
HOW MUCH YARN DO I NEED?: about 200g.
RECOMMENDED HOOK SIZE: 4.50 mm (7) crochet hook.
NOTIONS: scissors, a yarn needle, and four buttons.

The Grit Stitch Crochet Baby Onesie Pattern from Amelia Makes
The Grit Stitch onesie is a free crochet pattern in a gender-neutral classic design.
SIZE: to suit a 6-month-old, to fit chest measurement of 17″.
YARN WEIGHT: #3 / Light / DK / Light Worsted weight, cotton yarn, e.g., Recycled Cotton Worsted from Paintbox Yarns.
RECOMMENDED HOOK SIZE: 4 mm (G-6) crochet hook.
NOTIONS: two or three snaps, a sewing needle, sewing thread, scissors, and a tapestry needle.
Baby Romper Tutorial from 4Seasons Handmade
This cute little onesie is a free baby romper video tutorial, in one size, featuring a textured crochet cable stitch pattern.
SIZE: 0 to 3-month-old baby. Waist 16 1/2 ” (42cm) and Length 13″ (33cm) from shoulders to bottom.
YARN WEIGHT: #3 / Light / DK / Light Worsted weight yarn.
HOW MUCH YARN DO I NEED?: you will need approximately 100 g of yarn.
RECOMMENDED HOOK SIZE: 3.50 mm (E-4) crochet hook.
NOTIONS: stitch markers, two buttons, and a tapestry/yarn needle.
SPECIAL STITCHES/TECHNIQUES USED: Front Post Double Crochet, Back Post Double Crochet, Shell Stitch (details in the tutorial), and V Stitch (details in the tutorial).

The Little Logan Romper from Maisie and Ruth
This free crochet baby onesie pattern is a quick project. The pattern page has step-by-step photos and a video tutorial.
SIZE: newborn.
YARN WEIGHT: #2 / Fine / Sport weight, cotton yarn, e.g., Rainbow Cotton 8/4 from Hobbii.
HOW MUCH YARN DO I NEED?: you will need two 50 g skeins.
RECOMMENDED HOOK SIZE: 3.50 mm (E-4) crochet hook or hook size required to meet gauge.
NOTIONS: five 10 mm buttons, stitch markers, a yarn needle, scissors, and a measuring tape.

Alpine Romper from Baby Crochet Designs
The Alpine Romper is a free crochet pattern in the preemie size. You can make it with or without long sleeves.
SIZE: preemie, to fit 13″ chest measurement.
YARN WEIGHT: #3 / Light / DK / Light Worsted weight yarn, e.g., Simply DK from Paintbox Yarns.
HOW MUCH YARN DO I NEED?: about 60-80g if you make the short-sleeved pattern. If you are making the long-sleeved version will need a little more.
RECOMMENDED HOOK SIZE: 4 mm (G-6) and 4.50 mm (7) crochet hooks.
NOTIONS: four 10-15 mm buttons, measuring tape, scissors, and a yarn needle.
SPECIAL STITCHES/TECHNIQUES USED: Alpine Stitch.

Boho Rainbow Romper from Cozy Nooks Designs
This free crochet baby romper pattern includes details for four sizes from newborn to toddler and features criss-cross straps and a button closure for the bottom flap.
SIZE: 0-3 months, 6-9 months, 12-18 months, and 24 months.
YARN WEIGHT: #34 / Medium / Worsted / Aran weight cotton, e.g., 24/7 Cotton from Lion Brand.
HOW MUCH YARN DO I NEED?: to make the romper as pictured, you’ll need between 145 and 230 yards (132-210 m) in the Ecru colourway and 20 yards (18.5 m) each of three different colours for the rainbow.
RECOMMENDED HOOK SIZE: 4 mm (G-6) crochet hook.
NOTIONS: a tape measure, two buttons, a stitch marker, a sewing needle, sewing thread, a tapestry needle, and scissors.
SPECIAL STITCHES/TECHNIQUES USED: Intarsia Crochet Colourwork, Back Post Double Crochet, and Front Post Double Crochet.
Seashell Crochet Baby Romper from Croby Patterns
This baby romper crochet tutorial accompanies a free written pattern.
SIZE: 0-6 months ( you can also purchase the PDF pattern in the 6-12 months size).
YARN WEIGHT: #4 / Medium / Worsted / Aran weight, cotton yarn, e.g., Epic from Yarn and Colors.
HOW MUCH YARN DO I NEED?: three 50 g (1.76 oz) skeins.
RECOMMENDED HOOK SIZE: 4.50 mm (7) crochet hook.
NOTIONS: stitch markers, tapestry needle, scissors, and two 1″ buttons.
SPECIAL STITCHES/TECHNIQUES USED: the pattern uses a pretty shell stitch.

The Butterscotch Onesie from Meg Made With Love
The Butterscotch Onesie is a free crochet baby romper pattern in three sizes to suit newborns to toddlers.
SIZE: 0-3 months, 3-6 months, and 6-12 months.
YARN WEIGHT: #3 / Light / DK / Light Worsted weight yarn.
HOW MUCH YARN DO I NEED?: 200-250 yds (219-2754m), depending on size.
RECOMMENDED HOOK SIZE: 5 mm (H-8) crochet hook.
NOTIONS: a gauge ruler or measuring tape, five ½” buttons, a sewing needle, sewing thread, scissors, and a yarn needle.
SPECIAL STITCHES/TECHNIQUES USED: Waffle Stitch, Puff Stitch, Back Post Double Crochet, and Front Post Double Crochet.

Watermelon Crochet Romper from Creativa Atelier
The free version of this cute crochet baby romper includes instructions for one size only. The pattern features a snap button closure, and the adorable little watermelon pips are embroidered on.
SIZE: 1-3 months.
YARN WEIGHT: #3 / Light / DK / Light Worsted weight cotton, e.g., Essentials Cotton DK from Rico Design.
HOW MUCH YARN DO I NEED?: three 50 g skeins, one of each colour, in the colourways Azalea, White, and Emerald.
RECOMMENDED HOOK SIZE: 2.75 mm (C-2) crochet hook.
NOTIONS: stitch markers, a tapestry needle, four snap buttons, scissors, a yarn needle, and a gauge ruler or measuring tape.
SPECIAL STITCHES/TECHNIQUES USED: Front Post Single Crochet and Back Post Single Crochet.

Crochet Baby Romper from Repeat Crafter Me
This simple little baby romper works up quickly in double crochet stitches.
SIZE: 6-9 months.
YARN WEIGHT: #4 / Medium / Worsted / Aran weight yarn, e.g., Red Heart Super Saver.
RECOMMENDED HOOK SIZE: 5 mm (H-8) crochet hook.
NOTIONS: three ½” buttons, two 1″ buttons, a tapestry needle, and scissors.

The Freya Frilly Romper from Maisie & Ruth
The Freya Frilly Romper is a free crochet baby romper pattern to suit a newborn. A YouTube video tutorial accompanies the free written pattern, making it perfect for beginners to follow along step-by-step.
SIZE: newborn.
YARN WEIGHT: #3 / Light / DK / Light Worsted weight yarn, e.g., Paintbox Yarns Baby DK.
HOW MUCH YARN DO I NEED?: two 50 g skeins.
RECOMMENDED HOOK SIZE: 4 mm (G-6) crochet hook.
NOTIONS: five buttons, stitch markers, scissors, a yarn needle, and a measuring tape or gauge ruler.
SPECIAL STITCHES/TECHNIQUES USED: Back Loop Only Crochet.

Little Lamb Overalls and Hat Set from Melody’s Makings
This adorable free crochet baby romper pattern is perfect for newborn photo shoots. The free version is for the newborn size, and the matching hat pattern is included.
SIZE: newborn.
YARN WEIGHT: #6 / Super Bulky / Roving weight yarn, use a fluffy yarn.
HOW MUCH YARN DO I NEED?: 100-200 yards of white and about 25 yards of pink.
RECOMMENDED HOOK SIZE: 10 mm (N/P-15) crochet hook.
NOTIONS: two 1½” buttons, scissors, a measuring tape, and a tapestry needle.

Rainbow Bobble Romper from Baby Crochet Designs
The Rainbow Bobble Romper pattern is free in the preemie size only. It is crocheted primarily in the single crochet stitch and features a crochet rainbow applique.
SIZE: preemie.
YARN WEIGHT: #3 / Light / DK / Light Worsted weight yarn, e.g., DROPS Cotton Light from Garnstudio.
HOW MUCH YARN DO I NEED?: 250 yds/230 m. 250 yds/230 m. You’ll also need small amounts of yarn for the applique.
RECOMMENDED HOOK SIZE: 3 mm and 4.50 mm (7) crochet hooks.
NOTIONS: two buttons, scissors, a yarn needle, and a gauge ruler or measuring tape.
SPECIAL STITCHES/TECHNIQUES USED: Back Loop Only Crochet and Bobble Stitch.

Logan Overalls from Briana K Designs
The free version of the Logan Overalls is in the newborn size only. The pattern features cable crochet details with step-by-step instructions.
SIZE: newborn.
YARN WEIGHT: #3 / Light / DK / Light Worsted weight yarn.
HOW MUCH YARN DO I NEED?: 205-300 yards
RECOMMENDED HOOK SIZE: 4 mm (G-6) crochet hook.
NOTIONS: a tape measure, stitch markers, a yarn needle, and scissors.
SPECIAL STITCHES/TECHNIQUES USED: Foundation Single Crochet, Front Post Triple Crochet, and Back Post Double Crochet.

Baby Blues from DROPS Design
Baby Blues is a free crochet baby romper pattern with raglan sleeves. The pattern includes instructions for sizes 0-4 years.
SIZE: 0-1 month, 1-3 months, 6-9 months, 12-18 months, 2 years, and 3-4 years.
YARN WEIGHT: #3 / Light / DK / Light Worsted weight yarn, e.g., DROPS Karisma from Garnstudio.
HOW MUCH YARN DO I NEED?: of the light blue/grey colour, you will need 150 g for the 0-1 month size, 200 g for sizes 1-3 months up to 2 years, and 250 g for sizes 2 and 3-4 years. And of the off-white, you will need 150 g for the 0-1 month, 1-3 months, and 6-9 months sizes; and 200 g for the 12-18 months, 2 years, and 3-4 years sizes.
RECOMMENDED HOOK SIZE: 4.50 mm (7) crochet hook or size required to get gauge.
NOTIONS: 4-7 buttons, a yarn needle, measuring tape, and scissors.

Bauble Baby Romper from Stitch and Hound
A free crochet baby romper pattern in five sizes featuring a simple raglan construction.
SIZE: 0-3 months, 3-6 months, 6-9 months, 9-12 months, and 12-18 months.
YARN WEIGHT: #2 / Fine / Sport weight yarn.
HOW MUCH YARN DO I NEED?: between 120 g and 160 g, depending on size.
RECOMMENDED HOOK SIZE: 4 mm (G-6) crochet hook.
NOTIONS: scissors, a tapestry needle, a tape measure, four sew-on snaps, a sewing needle, and sewing thread to match your yarn.
Here are the links to eight of my favourite premium paid patterns on Etsy.

Crochet Rainbow Romper from Handmade Pattern Shop
The Rainbow Romper is a beautiful, modern-looking crochet onesie pattern. This is a paid pattern.
SIZE: 0-6 months, 6-12 months, and 12-18 months.
YARN WEIGHT: #4 / Medium / Worsted / Aran weight yarn in soft weight and two contrasting colours.
RECOMMENDED HOOK SIZE: 5.50 mm (I-9) crochet hook.
NOTIONS: thread, needle, four small buttons, and scissors.

The Derwent Romper from Babes in the Wool Design
The Derwent Romper is a pretty, vintage-style crochet onesie pattern. It is a paid pattern.
SIZE: 0-3 months, 3-6 months, 6-12 months, and 12-24 months.
YARN WEIGHT: #3 / Light / DK / Light Worsted weight yarn, e.g., Special DK from Stylecraft.
RECOMMENDED HOOK SIZE: 4 mm (G-6) crochet hook.

Smart Bodysuit Newborn Crochet Pattern from Peasant Crochet Stylee
This paid pattern is named Smart by the designer due to the buttoned crotch that makes it easy to change baby’s diapers.
SIZE: 0-2 months and 2-4 months.
YARN WEIGHT: #3 / Light / DK / Light Worsted weight, cotton acrylic, e.g., Baby Cotton XL from Gazzal.
HOW MUCH YARN DO I NEED?: you will need two 50 g skeins of yarn.
RECOMMENDED HOOK SIZE: 3 mm crochet hook or hook size needed to obtain gauge.
NOTIONS: nine ½” buttons.

Mira’s Romper Pattern from Turquoise Pattern
Mira’s Romper is a paid pattern for a sweet little crochet onesie. It is a detailed pattern with easy-to-follow instructions and many pictures to guide you.
SIZE: 0-3 months, 3-6 months, 6-12 months, 1-2 years, and 3-4 years.
YARN WEIGHT: #3 / Light / DK / Light Worsted weight yarn.
RECOMMENDED HOOK SIZE: 3.50 mm (E-4) crochet hook.

Little Ruffle Romper from Petit Chou Chou Shop
The Little Ruffle Romper is a paid pattern. Crocheted from the top down in the round, it is suited to crocheters with an intermediate level of experience.
SIZE: 3, 6, 12, and 24 months.
YARN WEIGHT: #1 / Super Fine / Sock / Fingering weight yarn.

The Covington Baby Romper from BDD Patterns
The Covington is a lovely crochet onesie pattern with a ribbed design. It is a paid pattern that includes links to videos for the crochet stitches used.
SIZE: 0-3, 3-6, 6-9, and 9-12 months.
YARN WEIGHT: #4 / Medium / Worsted / Aran weight yarn, e.g., Simply Soft from Caron or another ‘lightweight 4’.
RECOMMENDED HOOK SIZE: 4.25 mm and 5 mm crochet hooks.

Bella Romper from Dagni Crafts Designs
The Bella Romper is a paid crochet onesie pattern.
SIZE: 0-3 months, 6-9 months, and 9-12 months.
YARN WEIGHT: #3 / Light / DK / Light Worsted weight yarn, e.g., Merino Extrafine 120 from Schachenmayr.
HOW MUCH YARN DO I NEED?: you will need approximately 120 g for the 0-3 months size, 150 g for the 6-9 months size, and 190 g for the 9-12 months size.
RECOMMENDED HOOK SIZE: 4 mm (G-6) crochet hook or size needed to obtain gauge.
NOTIONS: tapestry needle, scissors, and stitch markers.

The Richmond Romper from Babes in the Wool Design
The Richmond Romper is a paid pattern for a gorgeous frilly crochet baby onesie.
SIZE: 0-3 months, 3-6 months, 6-12 months, 12-18 months, 18-24 months, and 24-36 months.
YARN WEIGHT: #3 / Light / DK / Light Worsted weight yarn, e.g., Special DK from Stylecraft.
RECOMMENDED HOOK SIZE: 3 mm and 4 mm crochet hooks.
NOTIONS: stitch markers, scissors, a yarn needle, and buttons.
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