Last name Rooijen (Rooijen 
, Ружен 
) , across the world, is quite a rare family name. The cognomen Rooijen is habitual in Netherlands, where it is quite a common surname, Belgium, where it is quite a rare surname, and Albania, where it is a rare surname. In absolute terms, the name is most common in Western Europe, particularly Netherlands, Belgium, and Germany.
| VARIANT | COUNTRY |
|---|---|
| Rooijen | Germany, Belgium, Netherlands, Albania, Slovakia |
| Ружен | Ukraine, Russia |
| jean den rooijen Dutch painter, NL (b. 1866) |
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martin van rooijen Dutch politician, NL (b. 1942) |
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maarten van rooijen Dutch presenter (1943-2003), NL (b. 1943) |
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| w.m.s. pitlo-van rooijen Dutch collector (1901-1992), NL (b. 1901) |
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maurits van rooijen Dutch historian, NL (b. 1956) |
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| j.p. van rooijen NL (b. 1902) |
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wilco van rooijen Dutch writer, NL (b. 1967) |
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| adri van rooijen Dutch visual artist, NL (b. 1936) |
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olivia van rooijen Dutch rower, NL (b. 1988) |
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| jan van rooijen association football player (1941-2004), NL (b. 1941) |
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anne van rooijen Dutch cyclist, NL |
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| ines den rooijen NL (b. 1958) |
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| sonja van rooijen NL (b. 1962) |
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| florus van rooijen Dutch voice actor, NL (b. 1977) |
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| nico van rooijen researcher (ORCID 0000-0002-6382-1813) |
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