Luddy is a surname. Notable people with the surname include:
Barbara Luddy (1908-1979), American actress Edward I. Luddy, a stage name of Edward Ludwig (1899-1982), Russian-born American film director and writer Fred Luddy (born 1954/1955), American billionaire, founder of ServiceNow Hadley Luddy, American politician Robert Luddy, founder of CaptiveAire Systems, an American manufacturer of commercial kitchen ventilation systems Tom Luddy (born 1943), American film producer and co-founder of the Telluride Film Festival
See also
Luddy School of Informatics, Computing, and Engineering Luddy Crooks, stage name of Sydney Crooks