Here is the full list of all 47 Hitman: Absolution trophies - there are 32 bronze, 12 silver, 2 gold and 1 platinum.
Collect all trophies
Complete Hitman: Absolution™ on any professional difficulty
Assassinate Travis
Collect all evidence
47 precision headshots using a sniper rifle
Collect all play styles
Assassinate Blake Dexter
Complete 100 challenges
Assassinate Layla
Acquire suit & gloves
Approach the church
Gain access to the jail
Eliminate the Saints
Defeat Sanchez with your bare hands
Assassinate facility leaders
Exit the mines
Leave Lenny in the desert
Pacify Lenny the Limp
Acquire the Silverballers
Approach the bartender
Complete 50 challenges
Assassinate Wade
Assassinate Wade's men
Enter the train in the train station
Locate room 899
Achieve the rating: Silent Assassin
Unlock a technique
Subdue a person
Achieve your first accident kill
Blend in successfully
Achieve a lethal throw kill
Escape attention from enemies
Complete 10 challenges
Assassinate the King of Chinatown
Contain a situation gone bad
Execute a point shooting with 3 kills
Assassinate Diana Burnwood
Earn 1 million contract dollars
Remain undetected in a whole checkpoint
Buy an upgrade
Hide a body
Like a contract
Participate in a contract competition
Play a contract created by a friend
Create a contract competition
Complete the Play Contract Tutorial
Complete the Create Contract Tutorial