Ethan Crosby (born Floyd Delafield Crosby Jr. March 7, 1937, died December 11, 1997) was the son of Floyd Crosby and Aliph Van Cortlandt Whitehead.
After graduating from Carpinteria High School, Crosby briefly attended Santa Barbara City College before completing one quarter at California Polytechnic State University, San Luis Obispo with the intention of studying agriculture; however, he dropped out after becoming disillusioned with the curriculum.