Last name Ooster (Ooster 
) , around the world, is a rare surname. The surname Ooster is habitual in Netherlands, where it is a rare surname, Hungary, and Germany, where it is a very rare surname. Much less frequently, Ooster is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ooster | Germany, Hungary, United States, Netherlands |
Oostelbeers, Oostenrijk, Oosterhout, Oosterik, Oosterwijk, and Oostrum
| matthijs ooster merchant and insurer from The Netherlands (1747-1842), NL (b. 1747) |
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| william alexandre ooster (b. 1816) |
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| frederik ooster NL (b. 1841) |
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hermann jan ooster DE (b. 1958) |
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| jasper ooster researcher |
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