Mould is a surname. Notable people with the surname include:
Bob Mould (born 1960), American musician with alternative rock bands Hüsker Dü and Sugar
Brooks K. Mould, American music publisher
Billy Mould (1919-1999), English footballer
Jacob Wrey Mould (1825-1886), English-born architect, illustrator, linguist and musician
James Mould (1870-1944), Canadian politician
Jeremy Mould (born 1949), Australian astronomer
John Mould (1910-1957), Australian Navy officer and recipient of the George Cross
Jon Mould (born 1991), Welsh racing cyclist
Philip Mould (born 1960), English art dealer and historian
Peter "Boy" Mould (1916-1941), British Royal Air Force Second World War flying ace
