Tony Marsico is an American bassist and composer best known as the co-founder of the rock and roll band the Cruzados, formed in 1983, with two albums on Arista Records in 1985 and 1987. Prior to Cruzados, Marsico was a member of the Los

Angeles punk band The Plugz (1980-1983), who were best known for scoring the motion picture Repo Man. Marsico has also recorded and toured with Bob Dylan, Neil Young, Marianne Faithfull, Roger Daltrey, Joe Ely, Willie Nelson, Linda Ronstadt, Dr. John, Susanna Hoffs, The Thorns, The DiVinyls, John Doe, Peter Case, Juliana Hatfield, Paul Jones, Rick Vito, and Barry Goldberg, among others. Marsico has co-written songs that appear in the motion picture Desperados.

In addition, Marsico was the bassist for indie pop singer Matthew Sweet for over 10 years.