Danny Arnold was an American producer, writer, comedian, and actor.

Born in New York City, Arnold started his career acting in summer stock and doing comedy in vaudeville. During World War II, he served in the United States Marine Corps in the South Pacific. He later moved to Hollywood to continue a career in show business.

Arnold appeared in films as an actor opposite the comic duo Martin and Lewis, and also wrote the screenplay for the Martin and Lewis vehicle The Caddy (1953). In 1956, Arnold started writing for such television series as The Tennessee Ernie Ford Show and The Rosemary Clooney Show. In the 1960s, he began writing and producing episodes for such sitcoms as The Real McCoys, Bewitched, and That Girl.

Arnold won two Emmy Awards, one for My World and Welcome to It and one for the series for which he is most famous, Barney Miller. The latter show also won Arnold a Peabody Award. He was honored with the Paddy Chayefsky Award in 1985 by the Writer's Guild of America to celebrate his lifetime of achievement.

Arnold died August 19, 1995, in Los Angeles, California. He was 70.