Hacker is a surname. Notable people with the name include:
Alan Hacker (1938–2012), English clarinetist
Alf Hacker (1912–1970), Australian rules footballer
Andrew Hacker (born 1929), American political scientist
Arthur Hacker (1858–1919), British artist
Benjamin Thurman Hacker (1935–2003), U.S. Naval officer
Dan Hacker (born 1982), American ice hockey center
David Hacker (born 1964), British field hockey player
Eric Hacker (born 1983), American baseball pitcher
Francis Hacker (died 1660), fought for Parliament during the English Civil War
George Hacker, American lawyer and alcohol advocate
George Hacker (bishop) (born 1928), Suffragan Bishop of Penrith
Hans Hacker (1910–1994), ceramic decal designer and painter
Hilary Baumann Hacker (1913–1990), American Roman Catholic bishop
Jack Hacker (1914–1984), Australian rules footballer
Jacob Hacker (born 1971), American political scientist
Jeremiah Hacker (1801–1895), American reformer and journalist
Jörg Hacker (born 1952), German microbiologist
Katharina Hacker (born 1967), German author
Katharina Häcker (born 1986), German competitive figure skater
Katrina Hacker (born 1990), American figure skater
Marcel Hacker (born 1977), German rower
Marilyn Hacker (born 1942), American poet, critic, and reviewer
Peter Hacker (born 1939), British philosopher
Peter Hacker (born 1952), English cricketer
Rich Hacker (born 1947), American baseball player, base coach and scout
Rose Hacker (1906–2008), British socialist, writer, sex educator and campaigner for social justice
Rüdiger Hacker (born 1941), German actor, radio play narrator and director
Sally Hacker (1936–1988), American feminist sociologist
Severin Hacker (born 1984), Swiss computer scientist, co-founder and CTO of Duolingo
Stamford Hacker (1876–1925), English cricketer
Warren Hacker (1924–2002), American baseball pitcher
