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