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