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