Here is the full list of all 80 Mount & Blade: Warband achievements. It takes around 150-200 hours to unlock all of the achievements on Windows.
Rule all of Calradia!
As a female character, become queen of all Calradia.
Kill 75 enemies with horse archery.
Get one of your healing skills to 5.
Kill 75 enemies with throwing weapons.
Get the engineering skill up to 5.
Learn 3 poems from tavern bards.
Kill 10 enemies with a throwing weapon's secondary function.
As a female character, make your own faction.
Amass a fortune of 100,000 denars.
Put a pretender on their rightful throne.
As a female character, help a female claimant reclaim her throne.
As a female character, Capture and sell three NPC lords.
As a female character, raise your renown to 50.
Kill 50 men as a female character.
Recruit 6 hero characters.
Install and play one mod.
As a female character, give a companion character a great sword.
As a ruler conquer 10 towns or castles.
As a ruler have 3 vassals.
Harass wondering peasants on the map.
Get either two agility related skills to 5 or one to 7.
Promote one of your followers into a position of power.
Make your own faction.
Be chosen as marshall.
Make one of your melee weapon skills 250.
Have two of the following skills at a 5; Looting, Inventory Management, Trade, or Prisoner Management.
Finish reading one book through the camping screen.
Become the owner of at least 5 fiefs.
Have two of the following skills at a 5; Trainer, Tactics, Leadership, or Persuasion.
Raise your soldiers' morale from low to excellent.
Raid 3 caravans and raid 3 villages.
You and your army have killed or wounded 5,000 enemy troops.
Kill or wound at least 500 enemies.
Defeat 10 enemy parties in the snowy regions of Calradia.
Get Married.
Pick a fight with a lord by insulting him or by challenging him to a duel.
Help a lord or party win a fight.
Have a -50 relation with a lord, village, or faction.
Successfully defend a castle.
Be granted your first fief.
Kill 10 parties of Mountain Bandits.
Get either two strength related skills to 5 or one to 7.
Enter and win a tournament.
Visit every major town in Calradia.
Eat 6 different types food concurrently.
Engage in a conversation with a hero character through the party screen.
Camp in the Sarranid region of the map.
Sell 5 people to the ransom broker.
Cleanse the town of bandits in the opening mission.
Face off against 100 enemies using custom battle mode.
Win a battle against a lord or party who previously beat or captured you.
Land a shot with a difficulty of 10 while using a bow and arrow.
Land a shot with a difficulty of 5 while using a throwing weapon.
Land a shot with a difficulty of 6 while using a crossbow.
Make one of your ranged weapon skills 250.
Have a 7 in one of the following skills or a 5 in two; Tracking, Path-finding, or Spotting.
Steal 3 cattle from a single village.
Get a character to elope.
As a female character get into a duel with male lord by insulting him.
Assist your faction in conquering Calradia.
(MP) Your team successfully defended a castle in siege battle mode.
(MP) Kill 50 cavalry while on foot, the enemy must be killed while mounted.
(MP) Kill 100 people with mounted projectiles.
(MP) Kill 25 people with throwing weapons.
(MP) Perform 25 lance kills while mounted.
(MP) Win one round in battle mode.
(MP) In any multiplayer mode have more kills than deaths.
(MP) Slay 50 foes with slashing weapons.
(MP) Kill 25 foes with a blunt weapon.
(MP) Kill 50 foes with throwing axes.
(MP) Win in Conquest mode.
(MP) Win a round of team deathmatch mode.
(MP) Win a round of deathmatch mode.
You have completed the following achievements: Might makes Right, The Huscarl, Melee Master/Dexterous Dastard, and Holy Diver/Elite Warrior.
You have completed the following achievements: Mace in yer Face!, Spoil the Charge, Agile Warrior, and This is our land.
You have completed the following achievements: Abudant Feast, Mace in yer Face!, Sarranidian Nights, and Art of War/Melee Master.
You have completed the following achievements: Might Makes Right, Choppy Chop Chop, Glorious Mother Faction, and Old school Sniper.
You have completed the following achievements: Melee Master, Knights of the Round, Every breath you take, I dub thee/Good Samaritan.
You have completed the following achievements: Trick Shot, Khaaan!, Agile Warrior, and Harassing Horseman.