Here is the full list of all 49 Tom Clancy's Rainbow Six Siege trophies - there are 34 bronze, 12 silver, 2 gold and 1 platinum.
Complete 10 Quick Match/Ranked Multiplayer games
Win a Secure Area match in Quick Match/Ranked Multiplayer
Win a round in Quick Match/Ranked Multiplayer in under 2 minutes
Get 5 kills with an SMG
Get 5 kills with an AR
Kill 10 enemies blinded from Stun Grenade in Quick Match/Ranked Multiplayer.
Get 50 headshots in Quick Match/Ranked Multiplayer
Get 5 kills with a shotgun
Win 1 round with every original Operator in Ranked
Play 10 rounds with every original Operator in Quick Match/Ranked Multiplayer.
Reach clearance level 50.
Collect and save 5000 Renown.
Kill 10 enemies with Nitro Cell in Quick Match/Ranked Multiplayer.
Win 10 matches of Bomb in Quick Match/Ranked Multiplayer
Get 100 kills in Quick Match/Ranked Multiplayer
Get 5 kills with a DMR
Destroy 20 gadgets in Quick Match/Ranked Multiplayer
Disable the defuser in 5 Bomb matches in Quick Match/Ranked Multiplayer
Destroy a floor with a breach charge in Quick Match/Ranked Multiplayer
Play 10 rounds with all Operators from an original CTU in Quick Match/Ranked Multiplayer
Revive injured teammates 10 times in Quick Match/Ranked Multiplayer or Training Grounds.
Win 1 match without losing a single round in Ranked Multiplayer.
Find a bomb in Quick Match/Ranked Multiplayer within 15 seconds of the preparation phase
Receive a Skill Rank in Ranked Multiplayer.
Win a round 50 times in Quick Match/Ranked Multiplayer.
Destroy a Reinforced Wall with the Thermite Charge in Quick Match/Ranked Multiplayer.
Destroy 10 cameras as an Attacker
Win 100 Defense rounds in Quick Match/Ranked Multiplayer
Reinforce 2 breakable walls in Quick Match/Ranked Multiplayer
Plant the defuser in 10 Bomb rounds in Quick Match/Ranked Multiplayer
Win 10 games as a squad in Quick Match/Ranked Multiplayer
Breach and rappel through a window in Quick Match/Ranked Multiplayer
Play 10 rounds with an original Defense Operator in Quick Match/Ranked Multiplayer
Kill an Attacker inside a Barbed Wire in Quick Match/Ranked Multiplayer.
Destroy 5 drones in Quick Match/Ranked Multiplayer.
Place 5 Barricades as a Defender in Quick Match/Ranked Multiplayer.
Customize a Weapon.
Play 10 rounds with an original Attack Operator in Quick Match/Ranked Multiplayer
Get 10 frag grenade kills in Quick Match/Ranked Multiplayer
Win 100 Attack rounds in Quick Match/Ranked Multiplayer
Get 10 claymore kills in Quick Match/Ranked Multiplayer
Get all trophies.
Apply weapon skins to 30 weapons.
Achieve Gold Rank
Kill an enemy with a Breach Charge in Quick Match/Ranked Multiplayer.
Get 5 Flawless Victories in Ranked
Get 5 kills with a pistol
Equip 50 weapon attachments
Get 10 kills through bullet penetration in Quick Match/Ranked Multiplayer