Family name Osaer (Osaer 
) , across the world, is a rare last name. The cognomen Osaer is characteristic of Belgium, where it is quite a rare surname, France, where it is a rare surname, and the United States, where it is a very rare surname. Much less frequently, Osaer is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Osaer | France, Canada, United States, Belgium, United Kingdom |
| tonny osaer Belgian guitarist, conductor and musicologist, BE (b. 1965) |
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| phil osaer American ice hockey goaltender, US (b. 1980) |
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Mr, Jane, Jake, Josy, Jens, Jeff, Nina, Eric, Erik, Ilse, Ivan, Yoni, Marco, Sarah, Shane, Suzie, Steve, Stijn, Alice, Chloe, Carol, Candy, Lynn, Betty, Lucy, Gary, Ann, Amy, Cã, Lee, Jim, Tom, Tim, Eva, Zac, Marc, Mary, Mark, Matt, Mike, Chad, Cory, Bavo, Kurt, Rodo, Rita, Rudy, Lisa, and Brian