Last name Ousingsawat (Ousingsawat 
) , around the globe, is an extremely rare cognomen. The surname Ousingsawat is habitual in Northern America, particularly the United States, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Ousingsawat | United States |
| jarurat ousingsawat Ph.D. Cornell University 2005 |
|
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| jiraporn ousingsawat researcher |
|