John Roach may refer to any of the following:
- John Roach (shipbuilder) (1816âÂÂ1887), United States shipbuilder
- John Roach (bishop) (1921âÂÂ2003), bishop of the Catholic Church
- John Roach (baseball) (1867âÂÂ1934), former Major League Baseball pitcher
- John Roach (footballer, born 1862), Welsh international footballer
- John Roach (American football) (1933âÂÂ2021), football player
- John Roach (English footballer), English footballer played for Manchester United, FC Sète, and Accrington Stanley
- John C. Roach, justice on the Kentucky Supreme Court
- John Ross Roach (1900âÂÂ1973), Canadian ice hockey player
- John Vinson Roach II (1938âÂÂ2022) pioneer of the personal computer
See also