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