Andy Caldwell is an American electronic house music DJ and producer. He became known through the San Francisco house scene in the early part of the 2000s, first as a member of the live house act Soulstice, and later as a solo artist. Caldwell has released his music via Om Records, followed most recently with releases on his own label, Uno Recordings. The Wolfgang Gartner remix of Caldwell's track "Funk Nasty" was nominated for a Grammy in 2011 under the "Best Remix" category.

Caldwell is founder, CEO, and sole proprietor of Uno Recordings, which has operated since 2004. Besides releasing his own music, Caldwell has signed artists like Behrouz, Gina René, Mei-Lwun, Soulstice, Tom Flynn, Wolfgang Gartner, and Yoshimoto.