David A. Arnold was an American stand-up comedian, sitcom writer, producer, and actor.

Arnold began performing in 1997. He performed at the Canadian Montreal Comedy Festival, on Jamie Foxx Presents Laffapalooza, The Tom Joyner Show, Baisden After Dark, Comics Unleashed with Byron Allen, ComicView, The Mo'Nique Show, Entourage, and Def Comedy Jam.

Arnold served as writer and producer for the Netflix revival series Fuller House. He wrote episodes of several comedy shows, including Bigger, Meet the Browns, The Rickey Smiley Show, Raising Whitley, Tyler Perry's House of Payne, and The Tony Rock Project.

In 2021, Arnold created the Nickelodeon show That Girl Lay Lay and served as showrunner for the series. He appeared in several television series including Meet the Browns, and A Series of Unfortunate People.

Arnold had two stand-up comedy specials on Netflix, David A. Arnold: Fat Ballerina and It Ain't For The Weak.

Arnold died September 7, 2022, in Los Angeles, California. He was 54.