Here is the full list of all 57 Mount & Blade - Warband trophies - there are 50 bronze, 4 silver, 2 gold and 1 platinum.
(MP) Win a round of deathmatch mode.
(MP) In any multiplayer mode have more kills than deaths.
(MP) Your team successfully defended a castle in siege battle mode.
Put a pretender on their rightful throne.
Get Married.
Get a character to elope.
Kill 75 enemies with horse archery.
Steal 3 cattle from a single village.
Raise one of these skills to level 7 or raise two to level 5: Tracking, Path-finding or Spotting.
Kill 10 parties of Mountain Bandits.
Become the owner of at least 5 fiefs.
Be chosen as marshall.
Raise two of these skills to level 5: Looting, Inventory Management, Trade or Prisoner Management.
As a female character, give a companion character a great sword.
Amass a fortune of 100,000 denars.
Successfully defend a castle.
As a ruler have 3 vassals.
You and your army have killed or wounded 5,000 enemy troops.
Land a shot with a difficulty of 10 while using a bow and arrow.
Defeat 10 enemy parties in the snowy regions of Calradia.
Promote one of your followers into a position of power.
Make your own faction.
As a female character, make your own faction.
Kill or wound at least 500 enemies.
Get one of your healing skills to 5.
Be granted your first fief.
Raise two of these skills to level 5: Trainer, Leadership or Persuasion.
Have a -50 relation with a lord, village, or faction.
Kill 50 men as a female character.
Enter and win a tournament.
As a female character, raise your renown to 50.
Pick a fight with a lord by insulting him or by challenging him to a duel.
Land a shot with a difficulty of 6 while using a crossbow.
Eat 6 different types food concurrently.
Help a lord or party win a fight.
As a female character get into a duel with male lord by insulting him.
Finish reading one book through the camping screen.
Sell 5 people to the ransom broker.
Cleanse the town of bandits in the opening mission.
Unlock all trophies.
(MP) Win in Conquest mode.
Kill 10 enemies with a throwing weapon's secondary function.
(MP) Win one round in battle mode.
Land a shot with a difficulty of 5 while using a throwing weapon.
(MP) Slay 50 foes with slashing weapons.
(MP) Win a round of team deathmatch mode.
Kill 75 enemies with throwing weapons.
(MP) Perform 25 lance kills while mounted.
(MP) Kill 25 foes with a blunt weapon.
(MP) Kill 50 cavalry while on foot, the enemy must be killed while mounted.
(MP) Kill 25 people with throwing weapons.
(MP) Kill 100 people with mounted projectiles.
(MP) Kill 50 foes with throwing axes.
As a ruler conquer 10 towns or castles.
Assist your faction in conquering Calradia.
Rule all of Calradia!
As a female character, become queen of all Calradia.