This crochet pattern uses basic crochet stitches in combination with post stitches for the top ribbing. It uses a button closure to wrap and secure the tea cozy around the teapot. This pattern is available for free download on Ravelry. It uses less than 100 yards of DK weight yarn so it can be a good stash buster project.
Short and Stout Tea Cozy from Ella Jensen via Ravelry
Teapot Tea Keeper
Unlike many of the other tea cozies out there, this crochet teapot cozy includes the spout in the design. This tea keeper was designed by Jaycee Hosier and is available for free download at the Ravelry website. This same pattern actually doubles as a drawstring purse crochet pattern.
Teapot Tea Keeper from Jaycee Hosier via Ravelry
Easy Teapot Cozy
This crochet cozy is designed to fit a 44 oz teapot. It is made using only single crochet and half double crochet stitches. These are basic stitches so even a beginner will find it fairly easy to work this pattern. This is another good stash busting crochet pattern and one that works up very quickly for last-minute gifts.
Teapot Wrap
This crochet pattern is designed to fit a specific type of teapot: The Noble Teapot with Infuser. It is a rectangular crochet teapot cozy that is secured with buttons.
Christmas Crochet Teapot Cozy
This crochet teapot cozy celebrates the joy of the holidays. Use it to decorate teapots for your Christmas dinners or to gift to others during this beautiful season.
Ripple Crochet Tea Cozy
This colorful cozy is crocheted using a zigzag (ripple stitch) pattern. It is available in two different sizes to adjust for the size of the teapot that you have. This same designer also offers a variation of this tea cozy called the flower tea cozy that turns the basic design into a beautiful flower opening up around the teapot.