Hacker is a surname. Notable people with the name include:Alan Hacker (1938–2012), English clarinettist
Alf Hacker (1912–1970), Australian rules footballer
Andrew Hacker (1929–2026), American political scientist and academic
Arthur Hacker (1858–1919), British artist
Benedikt Hacker (1769–1829), Austrian composer and music publisher
Benjamin Thurman Hacker (1935–2003), U.S. Naval officer
Buddy Hackett, American comedian and actor
Dan Hacker, American ice hockey center
David Hacker, British field hockey player
Eric Hacker, American baseball pitcher
Francis Hacker, fought for Parliament during the English Civil War
George Hacker, American lawyer and alcohol advocate
George Hacker (bishop) (1928–2025), Suffragan Bishop of Penrith
Hanna Hacker, German historian and sociologist
Hans Hacker (1910–1994), ceramic decal designer and painter
Hans-Joachim Hacker, German politician
Hilary Baumann Hacker (1913–1990), American Roman Catholic bishop
Jack Hacker (1914–1984), Australian rules footballer
Jacob Hacker, American political scientist
Jeremiah Hacker (1801–1895), American reformer and journalist
Johnathan Hacker, American engineer
Jörg Hacker, German microbiologist
Katharina Hacker, German author
Marcel Hacker, German rower
Marcus Hacker, German specialist in nuclear medicine
Marilyn Hacker, American poet, critic, and reviewer
Paul Hacker (Indologist) (1913–1979), Indologist from Germany
Paul Hacker (diplomat), American diplomat
Peter Hacker, British philosopher
Peter Hacker (cricketer), English cricketer
Rich Hacker (1947–2020), American baseball player, base coach and scout
Rose Hacker (1906–2008), British socialist, writer, sex educator and campaigner for social justice
Sally Hacker (1936–1988), American feminist sociologist
Severin Hacker, Swiss computer scientist, co-founder and CTO of Duolingo
Stamford Hacker (1876–1925), English cricketer
Thomas Hacker, German politician
Vinnie Hacker, American influencer
Warren Hacker (1924–2002), American baseball pitcher