Lockyer is a surname. Notable people with the surname include:
Bill Lockyer (born 1941), American politician Charles Lockyer (died 1752), British politician Clifford Lockyer (born 1949), British businessman Dafydd Lockyer (born 1985), Welsh rugby union footballer Darren Lockyer (born 1977), Australian rugby league footballer Edmund Lockyer (1784–1860), British soldier and Australian explorer Edward Lockyer (1899–1958) Canadian businessman and politician Henry Frederick Lockyer (1797–1860), acting Governor of British Ceylon Herbert Lockyer (1886–1984), minister and biblical writer James E. Lockyer (born 1949), Canadian lawyer, politician James Lockyer (architect) (1796–1875), English architect James Lockyer (activist) (born 1949), Canadian lawyer and social justice activist Lionel Lockyer (c. 1600–1672), quack doctor Malcolm Lockyer (1923–1976), British film composer and conductor Nicholas Lockyer (public servant) (1855–1933), Australian public servant Nicholas Lockyer (1611–1685), English clergyman Nigel Lockyer (born 1952), particle physicist Norman Lockyer (1836–1920), English scientist and astronomer Paul Lockyer (1950–2011), Australian television journalist Peter Lockyer, American actor and singer Phil Lockyer (born 1946), Australian politician Robert Lockyer (1625–1649), English soldier Roger Lockyer (1927–2017), English historian Tarkyn Lockyer (born 1979), Australian rules footballer Tom Lockyer (cricketer) (1826–1869), English cricketer Tom Lockyer (born 1994), Welsh professional footballer Will Lockyer (1875–1959), British politician and trade unionist William James Stewart Lockyer (1868–1936), English astronomer and physicist