Bruce Walter Timm (born February 5, 1961) is an American artist, animator, writer, producer, and director. He is best known for contributed to building the modern DC Comics animated franchise, most notably as the head producer behind Batman: The Animated Series (1992–1995),Superman: The Animated Series (1996–2000), The New Batman Adventures (1997–1999), Batman Beyond (1999–2001), Justice League (2001–2004), and Justice League Unlimited (2004–2006).

He also co-created Freakazoid! (1995–1997) alongside Paul Dini and developed Green Lantern: The Animated Series (2012–2013). Following the conclusion of the DCAU, Timm went on to produce several DC animated films under the DC Universe Animated Original Movies line, such as Batman: Under the Red Hood, Wonder Woman, Superman/Batman: Apocalypse, Justice League Doom, Superman vs The Elite, The Dark Knight Returns and Justice League: Gods and Monsters.

Outside of animation, Timm has also drawn and wrote several comic books. Timm and Dini collaborated on The Batman Adventures: Mad Love, which won the Eisner Award for Best Single Story in 1994, which told the origin story of Harley Quinn.