Leach is a surname. Notable people with the surname include:
Al Leach (born 1935), Canadian transportation executive and politician
Archie Leach (1904–1986), real name of English-American actor Cary Grant
Ben Leach (born 1969), player in English pop group The Farm
Bernard Leach (1887–1979), British studio potter and art teacher
Bobby Leach (1858–1926), English circus performer, went over Niagara Falls in a barrel
Britt Leach (born 1938), American character actor
Dewitt C. Leach (1822–1909), U.S. Representative from Michigan
David Leach (disambiguation)
Edmund Leach (1910–1989), British anthropologist
Sir Edward Pemberton Leach (1847–1913), Irish general in the British Army, recipient of the Victoria Cross
Edward Leach (cricketer) (1896–1973), English cricketer
Edward G. Leach, American politician
Francis Leach (born 1968), Australian radio announcer
Garry Leach (born 1954), British comics artist and publisher
George Leach, Canadian musician and actor
George E. Leach (1876–1955), United States Army general and politician
Henry Leach (British Army officer) (1870–1936), British Army general
Sir Henry Leach (1923–2011), Royal Navy admiral
Howard H. Leach, American diplomat
Jalal Leach (born 1969), American baseball player
James Madison Leach (1815–1891), American politician from North Carolina
James Leach (soldier) (1892–1957), British soldier and Victoria Cross holder
Jason Leach (born 1982), American football player
Jesse Leach (born 1978), American musician
Jim Leach (born 1942), American politician from Iowa
John Leach (disambiguation)
Karoline Leach (born 1967), British playwright and author
Lillian Leach (1936–2013), American singer
Mandy Leach (born 1979), Zimbabwean freestyle swimmer
Martin Leach (executive), British businessman and engineer
Martin Leach (Australian murderer) (born 1959), Australian convicted murderer and rapist
Mick Leach (1947–1992), English soccer player
Mike Leach (tennis) (born 1960), American tennis player
Mike Leach (American football coach) (born 1961), American football coach
Mike Leach (long snapper) (born 1976), American football player
Neil Leach, British architect and theorist
Nicole Leach (born 1979), American actress and singer
Penelope Leach (born 1937), British child psychologist and parenting author
Reggie Leach (born 1950), Canadian professional ice hockey player
Rick Leach (born 1964), American tennis player and coach
Rick Leach (baseball) (born 1957), American baseball and football player
Robert M. Leach (1879–1952), United States Representative from Massachusetts
Robert E. Leach (1911–1993), Republican judge in the U.S. State of Ohio
Robin Leach (born 1941), English entertainer
Rosemary Leach (born 1935), English stage, television and film actress
Sheryl Leach (born 1952), American children's TV show creator and author, known for the series Barney & Friends
Terry Leach (born 1954), former Major League Baseball player
Tommy Leach (1877–1969), Major League Baseball player
Vonta Leach (born 1981), American football fullback for the Houston Texans
William Leach (disambiguation), nultiple people
