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