Baby Onesie and Romper Knitting Patterns

Free Patterns

Blooming Onesie

Baby onesie with flowers of slipped stitches and bobbles, buttoned front, and long sleeves. Sizes Newborn to 24 months. Sport weight yarn. Designed by Mår.

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Jade Romper

Baby onesie knit with a diamond lace yoke and long sleeves. Sizes Newborn to 12 months. Fingering weight yarn. Designed by Dale Garn. A kit is also available.

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Sade's Onesie

Baby romper onesie knit with an 8 row repeat texture. Sizes 3, 6, 12 (18, 24) months. Designed by Ida-Maria Tyyskä for Knitgrammer. Web version is free. PDF available for purchase.

• Get the free knitting pattern - Web version
• Buy the pdf

Arni

Baby romper onesie with stripes. Sizes 0-3 months/56 cl (6-9 months/74 cl) 12 months/ 86 cl (24 months/92 cl). Designed by Rachel Søgaard for Filcolana. Available in English, Danish, German,Swedish

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• See the Ravelry page

Jiffy Baby Onesie

Hooded baby onesie with opening across front and leg with velcro for easy dressing. Quick knit in bulky yarn. To Fit Age: 3 Months to 18 Months. Designed byLion Brand Yarn. Pictured project by Ciandrin who added buttons instead of velcro.

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Dancing Star Baby Bunting

Star shaped hooded onesie that reminds me of Maggie Simpson. Designed by Lion Brand Yarn. Bulky weight. Pictured project by thunderbean who said it was so cozy the recipient fell asleep as soon as she was put in the bunting. One size fits Infant – 3 months.

• Get the free knitting pattern
• See the Ravelry page
• Get the Bernat Pipsqueak yarn used in the pictured project

Rainbow Romper

Striped baby onesie. Designed by Marta Porcel. Sport weight. Available in English and Spanish. Web version in Size 12-24 months is free. PDFs in more sizes available for purchase. Pictured projects by designer and atti.

• Get the free ENGLISH knitting pattern
• Get the free SPANISH knitting pattern
• Get the pdf versions

Pepita Baby Onesie

Overall onesie romper with feet for extra coziness and convenience. Sizes 3-6 months. Designed by Martina Behm. Fingering weight. Available in English, German, and Norwegian. Pictured project by roz11.

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Pelele Baby Onesie

Garter stitch onesie with buttoned fastenings on front and pant flap. Designed by Marta Porcel. DK weight. Available in English and Spanish. Web version in Size 3-6 months months is free. PDFs in more sizes available for purchase.

NOTE: Ravelrers have said that there is a typo in the English pattern – cast on 46 stitches instead of 45.

• Get the free knitting pattern in English
• Get the free knitting pattern in Spanish
• Get the pdf versions

Marianna’s All-in-One Romper Suit

Seamless onesie with circular yoke knit from the top down. Pattern size is for newborn but can be adapted to larger sizes. Designed by marianna mel and Lisa King Maclean. DK weight. Pictured project by wooly-mittens. Rated easy by Ravelrers

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• See the Ravelry page

More Free Patterns

Hannah’s Onesie

Sleeveless baby onesie that keeps baby warm but gives free range of movement. Sizes 6 month-12 month. Designed by Amy Clarke Moore. Sport weight.

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Onesie with Hood

Romper with lace sleeves and hood. Sizes 1 month to 1 year. Designed by Bergère de France. Fingering weight. Available in English, French, and Dutch

• Get the free knitting pattern
• See the Ravelry page
• Get the recommended Bergere de France Coton Fifty yarn at Loveknitting

Giraffe Onesie

Buttoned front baby onesie with spots in stranded colorwork. Toy patterns are sold separately. 5 sizes XS (0-3 months), S (3-6 months), M (6-9 months), L (9-12 months) and XL (12-18 months). Designed by Christine Grant of Mad Monkey Knits. DK weight.

• Get the free knitting pattern
• Buy the patterns for the giraffe toys at Loveknitting.com
• Get Giraffe Baby Hat Knitting Patterns on Etsy

Royal Knit Baby Onesie

Striped baby onesie from Red Heart in 3 sizes – 0-3 months, 6-12 months, 18 months. Designed by Lorna Miser

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Wrapover Onesie

Baby onesie knit in a 2 row repeat modified broken rib stitch with a wrap over front and buttoned crotch for easy dressing. Size 0-3 months. Designed by Nina Figenschau. Fingering weight. Available in English and Norwegian

• Get the free knitting pattern – scroll down the page for English version
• See the Ravelry page
• See more 2 Row Repeat Knitting Patterns

Sofia Baby Onesie

Sleeveless romper with mock cable details on the yoke and and ankles and buttons on the straps. Sizes 3 (6-9) 12-18 months. Designed by Sanne Bjerregaard for Filcolana. Fingering weight. Available in English, Danish, and German

• Get the free knitting pattern
• See the Ravelry page

Baby Stripe Dungarees

Baby onesie with buttoned front. Designed by Christine Grant. Aran weight. Pictured project by prov31gal. Sizes XS, S, M , L & XL.

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Topitos Baby Romper

Size 3-6 months is free. Available in English and Spanish. Designed by Marta Porcel. More sizes and pdf version available for purchase.

• Get the free knitting pattern in English
• Get the free knitting pattern in Spanish
• Get the pdfs and more sizes

Whale Baby Romper

Cute onesie with whale motif in knit and purl stitches. Sizes 1/3 months. Available in English and Portuguese. You might want to check the learn more link at the bottom of the Ravelry page because there’s a video. Designed by Filipa Carneiro

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• See more Sea Creature Knitting Patterns

All-in-One Onesie

Baby onesie with front fastening for ease. Designed by marianna mel. DK weight. Pictured project by stefie2104. Sizes small, medium, large preemie.

• Get the free knitting pattern
• See Ravelry page
• Get the Ice Yarns Baby Batik used in the pictured project on Amazonr

Aurora Baby Romper

Lace romper currently in size 9-12 months, though the designer is working on more sizes. This MAY be only free for a limited time. Designed by Gynka Knitwear. DK weight.

• Get the free knitting pattern
• Get the recommended Garnstudio DROPS Muskat on Etsy

Patterns for Purchase

Baby Jumpsuit "Little Blues"

Baby onesie with hood knitted in one piece from the top down. Sizes 0-3 months; 3-6 months; 6-12 months; 12-18 months. Worsted weight. Designed by Sweet Dreams Studio

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Hugs and Kisses Baby Onesie

This all-in-one hooded romper features an xoxo cable pattern to wrap your little one in love. Sizes0 – 3 months ; 3 – 6 months ; 6 – 9 months ; 9-12 months. Aran weight. Designed by Kairi Design

• See more pics and get the knitting pattern on Etsy
• See more Hugs and Kisses Cable Knitting Patterns

Modern Baby - 6 Knitted Outfits to Warm Your Favorite Crawler

6 flawlessly adorable baby onesie knitting patterns with coordinating hats including All-of-a-Twist, Diamond Brocade, Framed Cable, Lace Accent, Mixed Berry. Worsted weight. Designed by Judy Lamb. Book available as ebook or paperback

• See more pics and get the book (ebook or paperback) at Leisure Arts
• Get the the paperback with Prime at Amazon

Max Babygrow Onesie

Baby romper with easy fastenings on legs and chest and a kangaroo pocket. Sizes To Fit Age: 0 Month to 12 Months. Sport weight. Max Babygrow designed by MillaMia.

• See more pics and get the knitting pattern on Loveknitting

Romper Dress by Debbie Bliss

Adorable baby onesie with overall style top. Sizes To Fit Age: 3 Months to 18 Months. Sport weight.

• See more pics and get the knitting pattern on Loveknitting - be sure to scroll down the pattern page to see projects

Lova Babygrow Onesie

Hooded baby onesie with buttoned front. Sizes To Fit Age: 0 Month to 12 Months. Sport weight. Designed by MillaMia.

• See more pics and get the knitting pattern on Loveknitting - be sure to scroll down the pattern page to see projects

Spring Into Summer Romper and Jacket Set

Both pieces are knit in garter stitch and are suitable for a beginner according to the designer, OGE Designs. Sizes 0-3 Months — 6-9 Months — 9-12 Months. DK weight. The designer allows you to sell the finished items.

• See more pics and get the knitting pattern on Etsy

Owl Baby Onesie and Owl Toy

With sweet little details like the ruffled tail feathers, a knit and purl textured belly, and an owl face hood, this romper is sure to keep baby warm and Mom smiling! If that wasn’t enough, this onesie comes with a precious matching stuffed Owl toy for baby to cuddle with too! Designed by Lauren Riker

• See more pics and get the knitting pattern on Etsy
• See more Owl Knitting Patterns

Baby Onesie

This garter stitch onesie is worked flat on straight needles in aran weight yarn. 5 sizes XS( 0-3 months), S (3-6 months), M (6-9 months), L (9-12 months) and XL (12-18 months). Designed by Christine Grant

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Duoro Baby Romper

Comfortable romper that’s perfect for warmer weather. The designer says that this is an easy pattern suitable for beginners. Sizes: 0-3 / 3-6 / 6-12 months

• Get the knitting pattern on Etsy
• Get the finished romper knit by the designer

Tulip Romper

BriannaK’s design works up quickly in around 2 hours. There’s a matching bonnet pattern. Size: Newborn

• Get the knitting pattern on Etsy
• See the matching bonnet pattern

Elephant Baby Onesie

This romper features a band of fair isle elephants. You can replace with other fair isle designs. Sizes 3 months and 6 months. Designed by Daniela Nii. One of the knitting patterns in 60 More Quick Baby Knits

• Get 60 More Quick Baby Knits at Amazon (Prime options available)
• See more Elephant Knitting Patterns