Here is the full list of all 47 Persona 5 Strikers trophies - there are 37 bronze, 6 silver, 3 gold and 1 platinum.
Started a New Game+ on Merciless Difficulty.
Defeated 10 Treasure Demons.
Defeated the Reaper.
Trained all Phantom Thieves to level 70.
Defeated all Dire Shadows.
Hit the enemy's weakness 300 times.
Completed the Tree of Knowledge.
Completed the Jail of the Abyss.
Sophia found strength of heart.
Completed the Osaka Jail.
Completed 50 requests.
Obtained all Master Arts for Wolf.
Obtained all Master Arts for all characters.
Defeated a Dire Shadow.
Obtained all Master Arts for Sophie.
Obtained all Master Arts for Queen.
Opened 50 treasure chests.
Cooked 12 types of food.
Cleared all special requests from the Phantom Thieves.
Completed the Kyoto Jail.
Obtained all Master Arts for Noir.
Obtained a total 200 items from the Jails.
Maxed out a BOND skill level.
Spent Persona Points to strengthen a Persona's stats.
Wolf awakened his Persona.
Completed the Okinawa Jail.
Obtained all Master Arts for Fox.
Completed the Sapporo Jail.
Obtained all Master Arts for Mona.
Obtained all Master Arts for Skull.
Obtained a souvenir for the camper.
Completed the Sendai Jail.
Performed 50 ambushes.
Completed a request.
Bought something during a limited time sale.
Obtained all Master Arts for Panther.
Performed an All-Out Attack 150 times.
Used Incense.
Cooked food for the first time.
Completed the Shibuya Jail.
Obtained all Master Arts for Joker.
Defeated 200 enemies with a phantom dash.
Witnessed the Phantom Thieves' reunion.
Activated Showtime.
Earned all trophies.
Completed the Inmate Registry.
Maxed out all BOND skill levels.