Aldous Huxley, author of "Brave New World" and "The Doors of Perception".

Aldo, a minor character in the television series "Lost".

Aldo Leopold, an American ecologist, forester, and environmentalist.

Aldo, aka John Aldridge Prolific and committed English striker and all time English Top Scorer.

Aldosterone in shorthand.

Aldo Kelrast, a character from the comic strip "Mary Worth"

Aldo Groupe, a worldwide chain of shoe stores (heels and boots) founded by Aldo Bensadoun in Montreal, QC in 1972.

Aldo (Planet of the Apes), a gorilla character in the Planet of the Apes series of movies;

Aldo's Adventure, a platform computer game for DOS from 1987.

Aldo, the main character in the Italian comic strip Venerdì 12;

Aldo (1910 Automobile), an early American automobile

Aldo Burrows, a character from the television series Prison Break.

Aldo Buzzi, Italian author and architect

Aldo Nova, a Canadian musician.