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