Here is the full list of all 46 FIFA 15 trophies - there are 36 bronze, 6 silver, 3 gold and 1 platinum.
Win a Friendly Season in FUT
Enable a custom Free Kick or Penalty Style for your Virtual Pro
Win your first Pro Club Seasons league match
Comment on an EA SPORTS Football Club Activity
Rate an EA SPORTS Football Club Activity
Reach Level 15 or beyond in FIFA 15 in the EA SPORTS Football Club
Score a goal with a Flair Shot
Score off the post or cross bar in a match
Earn a player's loyalty in FUT by playing 10 or more games with him
Create and win a Custom Tournament with more than 16 teams
Win a division title in FUT Seasons
Earn Promotion in Seasons
Score a goal with a toe poke
Play a consecutive match in Seasons
Copy a Squad from the end of an online match
Prevent a goal with a sliding goal line clearance
Challenge the Team of the Week in FUT
Playing against the CPU on Legendary, avoid conceding from the 70th on with Park the Bus mentality
Sign a Loan Player from the EAS FC Catalogue
Beat a 5 Star Legendary CPU AI team with a 3 star or lower team
Against the CPU on Legendary, score a goal past the 80th using the All Out Attack mentality
Beat a Friend's Skill Game Score
Manage three different clubs in three different countries in a single Career
Play a match in Match Day Live
Beat the keeper 1 on 1 and score
Leave your club on Loan or by Transfer in a Player Career
Play a Drop-In Match in Pro Clubs Seasons
Apply your first Chemistry Style consumable in FUT
Share an EA SPORTS Football Club Activity
Open 20 packs in FUT
Change your captain in FUT
Change your Tactics in Team Management during a match
Create a new Team Sheet
Import a Team Sheet
Assign Player Instructions to a player in a Team Sheet
Gift an EA SPORTS Football Club Catalogue Item
Purchase an EA SPORTS Football Club Catalogue Item
Unlock a Skill Challenge
Unlock all other trophies (excluding additional content trophies)
Score a goal with a knuckle shot
Perform a slide tackle and keep possession of the ball 10 times
Score from the ground
Play Seasons with a Guest
Unlock 10% of the accomplishments with your Online Pro
Start a Co-op Season with a Friend
Finish a Friendlies Season