Girard is a French surname. Notable people with the surname include:
- Aimé Girard (1830–1898), French chemist
- Albert Girard (1595–1632), French-born mathematician (based on Netherlands)
- Alexander Girard (1907–1993), American textile designer and folk art collector
- Charles Frédéric Girard (1822–1895), French biologist
- Claire Girard, background character in Code Lyoko
- Claude Girard (1952–2004), French political figure
- Fina Girard (born 2001), Swiss politician and youth climate activist
- Geoffrey Girard, American author
- Georges Girard, French bacteriologist
- Hugo Girard, Canadian Strongman, former World Champion
- Jean-Baptiste Girard (disambiguation), several people
- Jean Pierre Girard (soldier) (1750–1811), Swiss general
- Jean-Yves Girard (born 1947), French mathematician and logician
- Jonathan Girard (born 1980), Canadian ice hockey player
- Joe Girard, Guinness Book of World Records winning American salesman
- Joseph Girard (disambiguation), several people
- Louis Dominique Girard (1815–1871), French hydraulic engineer
- Maurice Jean Auguste Girard (1822–1886), French entomologist
- Nicolas Girard (born 1972), Quebec politician
- Patrick Girard, French engineer
- Philippe de Girard (1775–1845), French inventor
- Pierre-Simon Girard (1765–1836), French mathematician
- Raphael Girard (1898-1982), Swiss anthropologist and writer
- Rémy Girard, Canadian actor
- René Girard (1923–2015), French philosopher
- René Girard (footballer), French footballer
- Rodolphe Girard (1879–1956), Quebec writer
- Samuel Girard (born 1998), Canadian ice hockey player
- Serge Girard (born 1953), French adventurer
- Stephen Girard, American financier and philanthropist
- Taylor Girard (born 1998), American ice hockey player
- Thierry Girard (born 1951), French photographer
- William S. Girard, American soldier convicted of killing a Japanese civilian in 1957