Girardeau
Girardeau is a French surname. Notable people with the surname include:
- Arnett E. Girardeau (1929–2017), American dentist and politician
 - Émile Girardeau (1882–1970), French engineer
 - Isabella Girardeau, opera soprano in the 1711 premiere of Rinalso
 - John Girardeau (1825–1898), American Presbyterian minister and theologian
 - Marvin D. Girardeau (1930–2015), quantum physicist and research professor at the University of Arizona
 
See also
- Cape Girardeau, a city in southeast Missouri, United States
 - Girardot (disambiguation)