Lough is a surname of Scottish or Irish origin, meaning lake or sea inlet. Notable people with the surname include:
Arts and entertainment Adam Bhala Lough (born 1979), American film director and screenwriter Dorian Lough (born 1966), English actor Ernest Lough (1911–2000), English boy soprano ("O for the Wings of a Dove") Ida Lough (1903–1985), New Zealand tapestry maker John Graham Lough (1798–1876), English sculptor John Lough (1913–2000), English scholar of French literature and history, professor at Durham University Rodney Lough Jr. (born 1960), American wilderness photographer
Military Frederick Charles Lough (1916–2002), U.S. Army brigadier general in Italy in World War II Maxon S. Lough (1886–1964), U.S. Army brigadier general in the Philippines in World War II
Science Janice Lough, climate scientist at the Australian Institute of Marine Science Roger Lough, Chief Defence Scientist of Australia 2003–2008
Sport David Lough (born 1986), American baseball player Gary Lough (born 1970), British middle distance runner Nicole Lough (born 1995), British Paralympic swimmer Peter Lough (born 1975), Canadian lacrosse player Tom Lough (born 1942), American pentathlete William Lough (1886–1939), Australian cricketer
Other fields Lumley Lough (1832–1896), Archdeacon of Bermuda Thomas Lough (1850–1922), Irish-British politician; MP 1892–1918 William H. Lough (1881–1950s), American economist
See also Loch (surname)