Here are 36 great Halloween costume ideas for adults. DIY Cat Ears from The Spruce Crafts DIY “Stranger Things” Halloween Costume for Couples from Shrimp Salad Circus DIY Lisa Frank Costumes from Studio DIY Snow White from Color Me Courtney DIY Lace Halloween Bunny Ears from Gina Michele Steampunk Mask and Hat from Trinkets in Bloom Swan Dress Costume from A Beautiful Mess DIY Halloween Couples Costume: Lumberjack and a Tree from Fish and Bull DIY Neon Light Cactus Halloween Costume from Shrimp Salad Circus DIY Taxidermy Deer Costume from The Merry Thought Circus Family Halloween Costumes from Tell Love and Party Soda Jerk from Lovely Indeed DIY Sequin Animal Ears from A Bubbly Life DIY Strawberry Costume from Studio DIY Crochet Masquerade Mask from Persia Lou Easy Homemade Cookie Monster Costume from Persia Lou Pantone Color Combo Couples Costume from Sugar and Cloth Egg Costume from C.R.A.F.T. Easy DIY Cat Emoji Costume from Brite & Bubbly DIY Lace Halloween Devil Horns from Gina Michele DIY Space Family Costumes from Tell Love and Party DIY Burger Costume from Studio DIY Miss Minnie Mouse from Color Me Courtney DIY Fro-Yo Costume from Studio DIY Frida Portrait Costume from Aunt Peaches DIY Sriracha Costume from Sarah Hearts Easy Spider Crown from Delia Creates Instagram Halloween Costume from InkHappi Bob Ross Couples Costume from C.R.A.F.T. Shower Pouf Costume from Crafts by Amanda Fred and Wilma from C.R.A.F.T. Flapper Halloween Costumes from Polkadot Chair Witch’s Hat Fascinator from Polkadot Chair Halloween Hat-ettes from Delia Creates Animal Headband DIY from A Beautiful Mess DIY Birthday Cake Costume from Studio DIY