Here is the full list of all 37 FIFA 21 trophies - there are 16 bronze, 17 silver, 3 gold and 1 platinum.
Unlock all other trophies (excluding additional content trophies)
Complete 2 Milestone Groups in FIFA Ultimate Team
Unlock the Tier 3 Stadium in FIFA Ultimate Team
Reach 90 OVR with your Avatar in VOLTA FOOTBALL
Complete "The Debut"
Collect 4 Star Players in VOLTA FOOTBALL
Complete All VOLTA Skill Games
Achieve an A grade rating in 5 different training drills in Career Mode
Buy a player that had been loaned for the team in Career Mode
Score one or more goals in a match with a player that has a maximum sharpness level in Career Mode
Attend both a Pre-Match and a Post-Match Press Conference
Successfully convert a player to a new position in Career Mode
Jump into a Sim match in Career Mode and win it
Customise your FUT Stadium by having at least 20 cosmetic items active simultaneously
Reach 200 club appearances with a player in FIFA Ultimate Team
Play a women's International football match
Win the UEFA Champions League Final
Win the UEFA Europa League Final
Complete all Main Menu Skill Games
Play 5 H2H matches with a friend in Kick Off
Win a VOLTA Squads game with 3 other players
Reach Division 3 in VOLTA Squads
Play 10 Co-Op games with online friends in FUT Squad Battles or FUT Division Rivals
Earn 2000 FUT Champions points to achieve your first qualification for FUT Champions Weekend League
Win a Co-Op game with an online friend in FUT Squad Battles or FUT Division Rivals
Unlock all the traits within a skill-tree in Pro Clubs
Unlock a Specialty in Pro Clubs
Play and Complete a Cup House Rules Match in Pro Clubs
Complete and win your first Pro Club Seasons league match
Win a penalty shoot-out without missing
Score a goal from a cross when using Player Lock
Keep 10 clean sheets in FUT Squad Battles
Complete 10 Squad Building Challenges in FIFA Ultimate Team
Play a game using any House Rule in FUT Friendlies
Play a game in Division 4 or higher in FUT Division Rivals
Create your own custom tactic in FIFA Ultimate Team
Score a goal from a Free Kick