Poppy Hat: A pattern in 6 months all the way to adult. Image: Hillyvanilly, and Free Pattern: Internet Archive.
Thing 1 and Thing 2 Hat Patch: You can choose to include earflaps or leave them off as I did. Just make sure you use red for the hat and then switch to blue along the last row. Image and Free Pattern: Repeat Crafter Me.
Scarecrow Hat: Have fall-tastic fun this Halloween with this cute and easy to make Scarecrow Hat! The pattern contains instructions on how to crochet both Kids and Adult sizes, so you can make one for all the scarecrows you know! The hat is easy to customize with embellishments like patches, leaves, and sunflowers! Image and Free Pattern: Crafty Kitty Crochet
Toddler Scarecrow Hat: A cute scarecrow crochet hat pattern for your toddler. This pattern is perfect for beginners and works up in 1 hour. Image and Free Pattern: Sweet Everly B.
Princess Leia Beanie: Image and Free Pattern: Hopeful Honey & All Things Belle
Oma’s Curlers Hat: This Crochet Pattern is a basic chunky double crochet pattern with a Slip stitch trim. Then add as many curlers as you want. Image and Free Pattern: Posh Pooch Designs.
Halloween Spooky Spiral Hat: An adult size hat designed for the Fall and Halloween season. This hat is very easy to make and uses two continuous pieces of yarn worked in a spiral so there’s no carrying yarn or multiple ends to weave. A simple flower is added for decoration. : Krazy Kabbage
Link to the Past Stocking Cap: This design is very versatile. If you are not a fan of the video game or gaming scene, this can be made in any color as just a stocking hat in time for cooler weather. Image and Free Pattern & Video: Yarnutopia.
Halloween Top Hat: Take center stage in this crochet top hat with elaborate costume appeal! Ornament your animated original with crocheted flowers, sequins and netting as designed, or let your creativity go as wild as you please. Image and Free Pattern: Red Heart; Video: The Crochet Crowd.
Darth Vader Hat: It is a Darth Vader Hat with a Detachable mask, that can be worn by any Star Wars fan. The pattern comes with detailed instructions, pictures and a chart to make the process easier for you. Just by changing the hook size you should be able to make a hat that fits any head. Image and Paid Pattern: Juli Roldan Voncannon on Ravelry.
Kids Darth Vader Hat: this pattern has complete instructions, pictures and a diagram that would help the process of creating the hat. Just with a change on hooks, you should be able to fit any child size 5-9. Image and Paid Pattern: Juli Roldan Voncannon on Ravelry.