Le grand testament, the masterpiece of poet François Villon, who also wrote a Petit testament

Qur'an, also known as the Final Testament, the holy scriptures of Islam.

Old Testament, also known as the Tanakh, the holy scriptures of Judaism and Christianity.

New Testament, holy scriptures of Christianity including the Gospels, epistles of Paul, and other writings.

Testament (Xenosaga), mysterious characters from the Xenosaga series.

Will (law), a document detailing wishes upon the author's death and one of the original uses of testament; often referred to as "Last Will and Testament."

Testament (band), an American thrash metal band.

Lenin's Testament, name given to a document written by Vladimir Lenin in the last weeks of 1922 and the first week of 1923.

Testament (film), a 1983 film about the aftermath of a nuclear war on a family.

Testament (Guilty Gear), a character from the video game series Guilty Gear.

Testament (comic book), a 2005 comic book.

Das Testament, an album by E Nomine.

The Testament (Ludlum novel), a novel by Eric Van Lustbader.

Testament Records, a record label.