Here is the full list of all 49 Persona 5 trophies - there are 40 bronze, 5 silver, 3 gold and 1 platinum.
Enter a special relationship with someone.
Max out one Confidant.
Customize a gun.
Complete the Pyramid Palace.
Perform a Group Guillotine execution.
Perform 50 Persona fusions.
Complete 5 requests.
Obtain 150 items from searchable objects in Palaces.
Complete the Bank Palace.
Obtain 30 Personas through negotiation.
Perform a Gallows execution.
Complete the Museum Palace.
Perform 50 All-out Attacks.
Form the Phantom Thieves.
Complete the Castle Palace.
Exploit enemy weaknesses 100 times.
Ambush the enemy 50 times.
Successfully rescue a hostage from an enemy's threat.
Perform a Guillotine execution.
Obtain a Persona through negotiation.
Obtain the Persona Arsene.
Earn all trophies.
Complete the Spaceport Palace.
Complete the Casino Palace.
Complete the Cruiser Palace.
Complete Mementos.
See the ending.
Hear 250 of Futaba's navigation lines.
Deal over 999 damage in a single attack.
Obtain a Treasure Demon.
Defeat the twins.
Complete the Persona Compendium.
Rank first place on your exams.
Max out all Confidants.
Perform a Baton Pass 3 times in a single turn.
Defeat the Reaper.
Buy every kind of drink from vending machines.
Max out all social stats.
Perform an Electric Chair execution.
Learn a new Persona skill through Lockdown.
Defeat 3 or more enemies at once with a single round of bullets.
Complete all requests.
Unlock all hangout spots.
Catch the Guardian of the fishing pond.
Create all types of infiltration tools.
Read all books.
Create Satanael.
Complete all video games.
Hit a home run at the batting cages.