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