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