Family name Houdaer (Houdaer 
) , all around the world, is a very rare cognomen. The cognomen Houdaer is habitual in France, where it is a very rare surname, and Brazil, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Houdaer | Brazil, France |
| frédérick houdaer French writer, FR (b. 1969) |
|