Hacker is a surname. Notable people with the name include:
Alan Hacker (1938–2012), English clarinetistAlf Hacker (1912–1970), Australian rules footballerAndrew Hacker (born 1929), American political scientistArthur Hacker (1858–1919), British artistBenjamin Thurman Hacker (1935–2003), U.S. Naval officerDan Hacker (born 1982), American ice hockey centerDavid Hacker (born 1964), British field hockey playerEric Hacker (born 1983), American baseball pitcherFrancis Hacker (died 1660), fought for Parliament during the English Civil WarGeorge Hacker, American lawyer and alcohol advocateGeorge Hacker (bishop) (born 1928), Suffragan Bishop of PenrithHans Hacker (1910–1994), ceramic decal designer and painterHilary Baumann Hacker (1913–1990), American Roman Catholic bishopJack Hacker (1914–1984), Australian rules footballerJacob Hacker (born 1971), American political scientistJeremiah Hacker (1801–1895), American reformer and journalistJörg Hacker (born 1952), German microbiologistKatharina Hacker (born 1967), German authorKatharina Häcker (born 1986), German competitive figure skaterKatrina Hacker (born 1990), American figure skaterMarcel Hacker (born 1977), German rowerMarilyn Hacker (born 1942), American poet, critic, and reviewerPeter Hacker (born 1939), British philosopherPeter Hacker (born 1952), English cricketerRich Hacker (born 1947), American baseball player, base coach and scoutRose Hacker (1906–2008), British socialist, writer, sex educator and campaigner for social justiceRüdiger Hacker (born 1941), German actor, radio play narrator and directorSally Hacker (1936–1988), American feminist sociologistSeverin Hacker (born 1984), Swiss computer scientist, co-founder and CTO of DuolingoStamford Hacker (1876–1925), English cricketerWarren Hacker (1924–2002), American baseball pitcher