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The following is a list of outfits the player's Maker Mii can wear in Super Mario Maker 2. Items marked with an asterisk (*) are available from version 2.0 onward.
Hats
| Name | Image | Unlock Method |
|---|---|---|
| None | File:SMM2-MiiOutfit-None.jpg | Default |
| Mario Cap |  |
Play 1000 courses |
| Luigi Cap | Reach Rank C in Multiplayer Versus | |
| Mushroom Hairclip | Win 10 consecutive Multiplayer Versus matches | |
| Bowser Headpiece | Win 2 consecutive Multiplayer Versus matches | |
| Princess Peach Wig | Finish Princess Peach's 2nd job in Story Mode | |
| Builder Hard Hat | Finish rebuilding the castle in Story Mode | |
| Bowser Jr. Headpiece | Reach a high score of 10 or more courses in Endless Challenge (Easy) | |
| Pipe Hat | Set a world record time on a course | |
| Cat Mario Headgear | Play 100 courses | |
| Propeller Mario Helmet | Clear 500 courses | |
| Yoshi Hat | Clear 100 courses in Multiplayer Co-op | |
| Cheep Cheep Hat | File:SMM2-MiiOutfit-CheepCheepHat.jpg | Receive 500 plays on a course |
| Faceplant | File:SMM2-MiiOutfit-Faceplant.jpg | Reach a high score of 100 or more courses in Endless Challenge (Normal) |
| Toad Cap | Clear 1000 courses | |
| Shy Cap | File:SMM2-MiiOutfit-ShyCap.jpg | Receive 100 plays on a course |
| Magikoopa Hat | Clear 10 courses in Multiplayer Co-op | |
| Fancy Top Hat | Earn 2nd place on any worldwide leaderboard | |
| Doctor Headgear | Reach Rank B in Multiplayer Versus | |
| Rocky Wrench Manhole Lid | File:SMM2-MiiOutfit-RockyWrenchManholeLid.jpg | Earn a silver medal on the leaderboard |
| Super Star Barrette | Hold the world record time on 500 courses | |
| Rosalina Wig | Clear 3000 courses | |
| Fried-Chicken Headgear | File:SMM2-MiiOutfit-FriedChickenHeadgear.jpg | Earn 7000 Maker Points |
| Royal Crown | Earn 1st place on any worldwide leaderboard | |
| Edamame Barrette | File:SMM2-MiiOutfit-EdamameBarrette.jpg | Clear 10,000 courses |
| Superball Mario Hat | File:SMM2-MiiOutfit-SuperballMarioHat.jpg | Finish Purple Toad's 3 jobs and hit the middle ? Block in Story Mode |
| Robot Cap | Complete all jobs as Mario in Story Mode | |
| Frog Cap | Finish Soundfrog's 3 jobs in Story Mode | |
| Ninji Cap* | Receive one stamp for the stand card in Ninji Speedruns | |
| * | Receive eleven stamps for the stand card in Ninji Speedruns |
Tops
| Name | Image | Unlock Method |
|---|---|---|
| Nintendo Shirt | Default | |
| Super Mushroom Shirt | Default | |
| Blockstripe Shirt | Receive a comment | |
| Nintendo Uniform | Reach Rank S in Multiplayer Versus | |
| Fireworks Shirt | Win 5 consecutive Multiplayer Versus matches | |
| Refreshing Shirt | Finish Mr. Eraser's 3 jobs in Story Mode | |
| Slobbery Shirt | Play 10 courses | |
| Banzai Bill Shirt | Post a comment | |
| Staredown Shirt | Earn 2000 Maker Points | |
| Chomp-Dog Shirt | Be the first to clear 100 courses | |
| Fish Bone Shirt | Upload a course | |
| Angry Sun Shirt | Reach a high score of 10 or more courses in Endless Challenge (Normal) | |
| Fried-Chicken Hoodie | Receive a lot of feedback on a course | |
| ? Block Hoodie | Earn a bronze medal on the leaderboard | |
| Edamame Camisole | File:SMM2-MiiOutfit-EdamameCamisole.jpg | Reach a high score of 100 or more courses in Endless Challenge (Super Expert) |
| I-Like-You Camisole | Receive a like | |
| White Camisole | Clear a course | |
| Hot Hot Shirt | Be the first to clear 10 courses | |
| Partrick Shirt | Finish Partrick's 3 jobs in Story Mode | |
| Yamamura Shirt | Finish Yamamura's 3 jobs in Story Mode | |
| 1-Up Hoodie | Default | |
| Laughing Shirt | Reach Rank A in Multiplayer Versus | |
| Running Shirt | Receive 2000 plays on a course | |
| Ninji Shirt* | Receive four stamps for the stand card in Ninji Speedruns | |
| * | Receive fourteen stamps for the stand card in Ninji Speedruns |
Bottoms
| Name | Image | Unlock Method |
|---|---|---|
| Black Short-Shorts | File:SMM2-MiiOutfit-BlackShort-Shorts.jpg | Default |
| Denim Jeans | File:SMM2-MiiOutfit-DenimJeans.jpg | Default |
| Denim Skirt | File:SMM2-MiiOutfit-DenimSkirt.jpg | Default |
| Super Star Flares | File:SMM2-MiiOutfit-SuperStarFlares.jpg | Clear 5000 courses |
| Pipe Skirt | File:SMM2-MiiOutfit-PipeSkirt.jpg | Hold the world record time on 10 courses |
| Skull Skirt | File:SMM2-MiiOutfit-SkullSkirt.jpg | Clear 10 courses |
| Burner Skirt | File:SMM2-MiiOutfit-BurnerSkirt.jpg | Clear a course in Multiplayer Co-op |
| Cloudwalker | File:SMM2-MiiOutfit-Cloudless.jpg | Reach a high score of 100 or more courses in Endless Challenge (Expert) |
| Platform Skirt | File:SMM2-MiiOutfit-PlatformSkirt.jpg | Reach a high score of 10 or more courses in Endless Challenge (Expert) |
| Parent-and-Child Skirt | File:SMM2-MiiOutfit-Parent-and-ChildSkirt.jpg | Be the first to clear a course |
| Mario Swim Trunks | File:SMM2-MiiOutfit-MarioSwimTrunks.jpg | Hold the world record time on 100 courses |
| Wind-Up Shoe | File:SMM2-MiiOutfit-Wind-UpShoe.jpg | Receive 5000 plays on a course |
| Hoverclown | File:SMM2-MiiOutfit-Hoverclown.jpg | Reach a high score of 10 or more courses in Endless Challenge (Super Expert) |
| Big-Spender Shorts | File:SMM2-MiiOutfit-Big-SpenderShorts.jpg | Clear 100 courses |
| Doorduroys | File:SMM2-MiiOutfit-Doorduroys.jpg | Earn 5000 Maker Points |
| Antsy Corduroys | File:SMM2-MiiOutfit-AntsyCorduroys.jpg | Receive feedback on a course |
| Bouncy Skirt | File:SMM2-MiiOutfit-BouncySkirt.jpg | Receive 1000 plays on a course |
| Stingby Skirt | File:SMM2-MiiOutfit-StingbySkirt.jpg | Reach a high score of 100 or more courses in Endless Challenge (Easy) |
| Shorts of Doom! | File:SMM2-MiiOutfit-ShortsofDoom!.jpg | Win a Multiplayer Versus match |
| Ninji Slacks* | Receive seven stamps for the stand card in Ninji Speedruns | |
| * | Receive seventeen stamps for the stand card in Ninji Speedruns |
Costumes
| Name | Image | Unlock Method |
|---|---|---|
| Mario Outfit | Play 1000 courses | |
| Luigi Outfit | Reach Rank C in Multiplayer Versus | |
| Bowser Suit | Win 2 consecutive Multiplayer Versus matches | |
| Builder Mario Outfit | Finish rebuilding the castle in Story Mode | |
| Princess Peach Dress | Finish Princess Peach's 1st job in Story Mode | |
| Reset Dress | Finish Undodog's 3 jobs in Story Mode | |
| Thwomp Suit | Play 500 courses | |
| Cat Mario Suit | Play 100 courses | |
| Propeller Mario Clothes | Clear 500 courses | |
| Yoshi Suit | Clear 100 courses in Multiplayer Co-op | |
| Midnight Dress | Play 3000 courses | |
| Doctor Coat | Reach Rank B in Multiplayer Versus | |
| Magikoopa Robes | Clear 10 courses in Multiplayer Co-op | |
| Toad Outfit | Clear 1000 courses | |
| Googoo Onesie | Like a course | |
| Matrimony Dress | Earn 3rd place on any worldwide leaderboard | |
| Fancy Tuxedo | Earn 2nd place on any worldwide leaderboard | |
| Koopa Troopa Suit | Earn a gold medal on the leaderboard | |
| Rosalina Dress | Clear 3000 courses | |
| Royal Attire | Earn 1st place on any worldwide leaderboard | |
| Superball Mario Suit | Finish Purple Toad's 3 jobs in Story Mode and hit the middle ? Block in Story Mode | |
| Robot Suit | Complete all jobs as Mario in Story Mode | |
| Superb Suit | Reach Rank S+ in Multiplayer Versus | |
| Princess Peach Tennis Outfit | Finish Princess Peach's 1st job in Story Mode | |
| * | Receive ten stamps for the stand card in Ninji Speedruns | |
| * | Receive twenty stamps for the stand card in Ninji Speedruns |