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!
Amass a fortune of 100,000 denars.
Get Married.
Get a character to elope.
Make one of your ranged weapon skills 250.
Have two of the following skills at a 5; Looting, Inventory Management, Trade, or Prisoner Management.
Promote one of your followers into a position of power.
As a ruler have 3 vassals.
As a ruler conquer 10 towns or castles.
Visit every major town in Calradia.
Finish reading one book through the camping screen.
Put a pretender on their rightful throne.
Defeat 10 enemy parties in the snowy regions of Calradia.
Successfully defend a castle.
(MP) In any multiplayer mode have more kills than deaths.
You have completed the following achievements: Melee Master, Knights of the Round, Every breath you take, I dub thee/Good Samaritan.
(MP) Your team successfully defended a castle in siege battle mode.
Make one of your melee weapon skills 250.
Learn 3 poems from tavern bards.
Win a battle against a lord or party who previously beat or captured you.
Become the owner of at least 5 fiefs.
Make your own faction.
Be chosen as marshall.
You and your army have killed or wounded 5,000 enemy troops.
Get the engineering skill up to 5.
Pick a fight with a lord by insulting him or by challenging him to a duel.
Have two of the following skills at a 5; Trainer, Tactics, Leadership, or Persuasion.
Recruit 6 hero characters.
Raid 3 caravans and raid 3 villages.
Camp in the Sarranid region of the map.
Be granted your first fief.
Sell 5 people to the ransom broker.
Kill 10 parties of Mountain Bandits.
Engage in a conversation with a hero character through the party screen.
Kill or wound at least 500 enemies.
Install and play one mod.
Have a -50 relation with a lord, village, or faction.
Get either two strength related skills to 5 or one to 7.
Steal 3 cattle from a single village.
Eat 6 different types food concurrently.
Enter and win a tournament.
Help a lord or party win a fight.
Raise your soldiers' morale from low to excellent.
Cleanse the town of bandits in the opening mission.
Kill 50 men as a female character.
Kill 75 enemies with throwing weapons.
Face off against 100 enemies using custom battle mode.
Kill 75 enemies with horse archery.
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.
Kill 10 enemies with a throwing weapon's secondary function.
Get one of your healing skills to 5.
Get either two agility related skills to 5 or one to 7.
Have a 7 in one of the following skills or a 5 in two; Tracking, Path-finding, or Spotting.
Harass wondering peasants on the map.
As a female character get into a duel with male lord by insulting him.
Assist your faction in conquering Calradia.
(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) 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: Trick Shot, Khaaan!, Agile Warrior, and Harassing Horseman.
As a female character, Capture and sell three NPC lords.
As a female character, help a female claimant reclaim her throne.
As a female character, make your own faction.
As a female character, become queen of all Calradia.
As a female character, raise your renown to 50.
As a female character, give a companion character a great sword.