Hammersley is a surname. Notable people with the surname include:
Ben Hammersley (born 1976), British photojournalistCharles E. Hammersley (died 1957), American politicianFrederick Hammersley (1919–2009), American abstract painterJohn Hammersley (1920–2004), British mathematicianRodolfo Hammersley (born 1889, date of death unknown), Chilean track and field athleteSamuel Hammersley (1892–1965), Conservative Party politician in EnglandWilliam Hammersley (1826–1886), sports journalist in Australia