Adam Lamberg (born September 14, 1984) is an American actor. He was born in New York City to a Jewish American family.
In New York, he has appeared in plays such as Nine Armenians, Asylum, The Gathering and Adam Baum and the Jew Movie. He was Kirstie Alley's son in the ABC TV movie Radiant City, a voice on Phred on your Head, and had roles in the feature films I'm Not Rappaport and Max Keeble's Big Move. Other roles include Lord Willy in the ABC TV Miniseries Dead Man's Walk, and Tad Lincoln in TNT's The Day Lincoln was shot. He also performed in Macbeth (Young MacDuff) at New York's Public Theater with Angela Bassett and Alec Baldwin. He is best known for co-starring as David "Gordo" Gordon in the Disney Channel series Lizzie McGuire. His most current movie is When Do We Eat?, (April '06).
Lamberg is currently filming "Beautiful Loser" in which he is the lead. As of 2006, he is a senior at the University of California, Berkeley.