Marcos Siega (born June 8, 1969, in New York City) is a film, television, commercial and music video director.

In the late 1980s, he helped to form the New York–based punk band Bad Trip, releasing two full-length records and numerous EPs.

He later began directing music videos for Weezer, System of a Down, P.O.D., Papa Roach, Blink-182 and The All-American Rejects.

[1] Siega has directed episodes of television series, including Dexter, True Blood, Cold Case and Veronica Mars.

In 2008, he directed the pilot and co-executive produced The Vampire Diaries, which ran for eight seasons on the CW Network.