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