There are 51 Trophies that can be collected.

Bronze

The Labourer   
Completed 50 notice board quests.

Human Resources    
Changed your vocation.

The Veteran    
Defeated 3,000 enemies.    

Local Recruit    
Directly enlisted a pawn to your party.    

Foreign Recruit    
Enlisted a pawn to your party from beyond the rift.    

The Captain    
Enlisted a large number of pawns.    

Inhuman Resources    
Changed your main pawn's vocation.    

The Saviour   
Used a Wakestone to restore the dead to life.    

The Knave    
Obtained a forgery.    

The Craftsman    
Combined two materials to make an item.    

Well Equipped    
Obtained 350 pieces total of weapons and armour.    

A Queen's Regalia    
Dressed a male party member in women's clothing.    

The Philanthropist    
Gave 50 presents.    

The Escort    
Acted as a reliable travel companion.    

Affinity and Beyond    
Raised a person's affinity to the maximum.    

Into Dripstone Cave    
Entered the azure caverns.    

Into the Ancient Quarry    
Entered the ancient quarry.    

Into Soulflayer Canyon    
Entered the Soulflayer Canyon.    

Into the Manse    
Entered the duke's manse.    

Into the Frontier Caverns    
Entered the southwestern caves.    

The Tourist    
Visited 50 locations.    

The Vagabond    
Visited 100 locations.

The Patron    
Helped Madeleine open her shop.

Silver

The Hero    
Completed all pre-planned, non-notice board quests.

The Specialist    
Learned all the skills of a single vocation.

The Explorer    
Visited 150 locations.

The Coin Collector    
Earned a total of 10,000,000G.

Gold

The Ever-Turning Wheel    
Completed the adventure a second time.

Platinum

The True Arisen    
Collected all other Dragon's Dogma trophies.

22 Secret

http://www.ps3trophies.org/game/dragons-dogma/trophies/