Harder (surname)

Harder is a surname. Notable people with the surname include:

• Bobbie Harder, American 21st century politician
• Christopher Harder (born 1948), Canadian lawyer in New Zealand
• Conrad Harder (born 2005), Danish footballer
• Fred Harder (1892–1956), American racing driver
• Elaine Harder (1947–2013), American politician
• Friedrich Harder (1891–1944), German SS-Hauptscharführer in Auschwitz concentration camp
• George Harder (born 1974), Samoan former rugby union footballer
• Grace Harder (born 2004), American trampoliner
• Günter Harder (1938–2025), German mathematician
• Hans Harder (1792–1873), Danish painter and drawing master
• Hauke Harder (born 1963), German composer and experimental physicist
• Heinrich Harder (1858–1935), German artist and art professor
• Hieronymus Harder (1523–1607), German botanist and teacher of Latin
• James Harder (ufologist) (1926–2006), American professor of civil and hydraulic engineering, and ufologist
• Jan Harder (born 1951), Canadian politician
• Joe Harder (1916–2004), American politician
• Josh Harder (born 1986), American politician
• Kelsie B. Harder (1922–2007), American professor and linguist
• Knud Harder (1885–1967), Danish composer, organist and conductor
• Lutz-Michael Harder (1942–2019), German opera tenor and voice teacher
• Mel Harder (1909–2002), American Major League Baseball pitcher, coach and manager
• Olli Harder, New Zealand association football coach and former player
• Otto Harder (1892–1956), German footballer and convicted war criminal
• Pat Harder (1922–1992), American football player and official
• Pernille Harder (born 1992), Danish footballer
• Pernille Harder (badminton) (born 1977), Danish former badminton player
• Peter Harder (academic) (born 1950), Danish linguist and professor of English
• Peter Harder (politician) (born 1952), Canadian senator and former civil servant
• Rachael Thomas (born 1986), née Harder, Canadian politician
• Rhea Harder (born 1976), German actress
• Robert Harder (1929–2014), American politician
• Spud Harder (1906–1994), American college football player, college football and baseball coach and college athletic director
• Tammo Harder (born 1994), German footballer
• Theo Härder (born 1945), German computer scientist and professor
• Vince Harder (born 1982), New Zealand R&B/pop singer and producer

• Bertus de Harder (1920–1982), Dutch footballer
• Haeder, surname
• Hader (disambiguation)#People with the surname
• Harders, surname