William John Scott (August 2, 1920 – November 29, 1985) was an American voice actor, writer and producer for animated cartoons, primarily associated with Jay Ward and UPA, as well as one of the founding members of ASIFA-Hollywood.

He is probably best known as the head writer, co-producer and the voice of several characters from the popular programs Rocky and His Friends and The Bullwinkle Show.

[2] During World War II, he served in the U.S. Army's First Motion Picture Unit (reporting to Lt. Ronald Reagan), where he worked with such animators as Frank Thomas.

After a job as a writer on Bob Clampett's Time For Beany television puppet show, he later worked at United Productions of America where he was one of the writers who adapted Dr. Seuss's original story for the 1950 Academy Award-winning short Gerald McBoing-Boing, which later became a television show, as well as adapting the 1953 Academy Award-nominated short film of Edgar Allan Poe's The Tell-Tale Heart.

In a 1982 interview, Scott said, "I got a call from Jay [Ward] asking if I'd be interested in writing another series, an adventure script with a moose and a squirrel.

Scott also did live-action acting on the television show The Duck Factory, which starred Jim Carrey, as well as featuring noted voice actors Don Messick and Frank Welker.

He was also a member of the Screen Actors Guild and was elected to the Board of Governors of the Academy of Motion Picture Arts and Sciences.

Toward the end of his career, Scott worked for Disney, where he voiced Moosel on The Wuzzles, and was Gruffi Gummi, Sir Tuxford, and Toadwart, aka Toadie in Disney's Adventures of the Gummi Bears (he was succeeded by Corey Burton, Roger C. Carmel, and Brian Cummings after his death).

Scott was also a singer and performer, active with a Little Theatre group in Tujunga called the Foothill Curtain Raisers, and a church theater, the Ascension Players.