Dalley is a surname. Notable people with the surname include:

Amy Dalley (born 1981), American country singer-songwriter Bill Dalley (1901–1989), New Zealand rugby player Denver Dalley, American singer-songwriter Derrick Dalley (born 1965), Canadian politician Geoff Dalley (1917–1992), Australian footballer Gifford Dalley, 18th-century American politician Helen Dalley (born 1957), Australian journalist Horace Dalley (born 1950), Jamaican politician John Dalley (born 1935), American classical violinist John Bede Dalley (1876–1935), Australian journalist and writer Kaedi Dalley, American contralto vocalist and member of Citizen Queen Ma Dalley (1880–1965), Australian businesswoman and politician Richard Dalley (born 1957), American ice dancer Robert Dalley-Scarlett (1887–1959), Australian organist and choirmaster Stephanie Dalley (born 1943), British Assyriologist and scholar of the Ancient Near East. William Bede Dalley (1831–1888), Australian politician and barrister Winton Dalley, New Zealand politician

Other

MC Dalley, an alias used by French-American monk Philippe Coupey

See also Division of Dalley, former electoral division in New South Wales, Australia