The Liberator, an abolitionist newspaper published by William Lloyd Garrison

Simón Bolívar, known as El Libertador in Spanish

José de San Martín, known as El Libertador in Spanish

B-24 Liberator, a United States heavy bomber of World War II era

Daniel O'Connell, an Irish statesman known as the Liberator

A brand of Speech synthesis device for use as a communications aid

Liberator (Blake's 7), a spacecraft in the British science-fiction television series Blake's 7

Liberators (comics), a superhuman anti-American group appearing in The Ultimates

The Liberators, the nickname of the U.S. 14th Armored Division

FP-45 Liberator, a World War II pistol

Liberator (arcade game), an arcade game by Atari Games

Liberatores, the assassins of Julius Caesar

The Liberator (United States magazine) (1918–24), a monthly periodical focusing on radical socialist politics, philosophy, and arts

Liberator (Nedor) was a Nedor Comics superhero from the Golden Age of Comics

Liberator (magazine), a magazine of radical liberalism associated with the Liberal Democrats (United Kingdom)

Liberator (band), a Swedish ska band formed in 1994

The Liberator (book), a Bible re-telling by Rob Lacey

The Liberators (Suvorov), a book by Victor Suvorov