Hammersley is a surname. Notable people with the surname include:
Ben Hammersley (born 1976), British photojournalist
Charles E. Hammersley (died 1957), American politician
Frederick Hammersley (1919–2009), American abstract painter
John Hammersley (1920–2004), British mathematician
Rodolfo Hammersley (born 1889, date of death unknown), Chilean track and field athlete
Samuel Hammersley (1892–1965), Conservative Party politician in England
William Hammersley (1826–1886), sports journalist in Australia
