Globally, Girardeau (Girardeau 
) is a very rare gender-neutral forename. The given name Girardeau is habitual in France, where it is a very rare unisex name, and the United States, where it is an extremely rare principally masculine, but very seldom female name. Much more prevalently, Girardeau is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Girardeau | Spain, United States, Canada, France, New Zealand |
|
arnett e. girardeau American politician, US (b. 1929) |
|
|
|
arnett girardeau American politician, US (b. 1929) |
|