Eugene Kinn Choy (1912–1991) was a Chinese-American architect best known for designing the Cathay Bank headquarters in Chinatown (1962–66) and several private residences in the Silver Lake neighborhood of Los Angeles. He was the second Chinese-American to join the American Institute of Architects, following I. M. Pei, and the one of the earliest to graduate from the School of Architecture at the University of Southern California.