Bloodlust is a desire for violence and carnage. Bloodlust can refer to:

Vampire Hunter D: Bloodlust, a 2000 Japanese animated movie.

Berserker, Norse warriors who fought in a berserk rage of bloodlust.

Bloodlust: Subspecies III, 1994 low budget horror film.

Blood fetish, a sexual attraction to blood.

Bloodlust Software, a computer game developer.

Bloodlust (comics), a Marvel Comics villain.

Bloodlust (Femme Fatales), a Marvel Comics villain and enemy of Spider-Man.

Bloodlust!, a 1961 thriller B-movie.

Bloodlust (album), a 2005 album by Through the Eyes of the Dead.

Killer instinct (human behaviour), the trait of a desire so strong killing is acceptable.