Victor Moscoso (born July 28, 1936)[1] is a Spanish–American artist best known for producing psychedelic rock posters, advertisements, and underground comix in San Francisco during the 1960s and 1970s.

His mother was a seamstress[4][5] After studying art at Cooper Union in New York City and at Yale University, Moscoso moved to San Francisco in 1959.

[7] Professional success came in the form of the psychedelic rock and roll poster art created for San Francisco and Denver’s dance halls and clubs.

Moscoso's poster work includes album covers for musicians such as Jerry Garcia, Bob Weir, Herbie Hancock, Jed Davis, and David Grisman.

The subjects of his comics in Zap are often classic characters like Mickey Mouse, Donald Duck, Krazy Kat, Mr. Peanut, Bugs Bunny and Winsor McCay's Little Nemo.

Sex, Rock 'N' Roll, & Optical Illusions, a comprehensive collection of Moscoso's poster and comics work, was published by Fantagraphics in 2006, featuring introductions by Steven Heller and Milton Glaser.