Last name Leen (Leen 
, لين 
, Лин 
) , around the world, is a common family name. The cognomen Leen is habitual in Maldives, where it is quite a common surname, Syria, and Malaysia. Not in comparison with a country's population, it is commonest in Malaysia, Sudan, and Syria. More prevalently, Leen is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Leen | Belgium, Saudi Arabia, Syria, Egypt, Malaysia |
| لين | Saudi Arabia, Syria, Sudan, Egypt, Iraq |
| Лин | Azerbaijan, Kazakhstan, Russia, Belarus, Ukraine |
| ลีน | Thailand |
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willem van leen Dutch painter 1753–1825, NL (b. 1753) |
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| joannes van leen NL (b. 1724) |
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tante leen Dutch singer, NL (b. 1912) |
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| james leen Roman Catholic archbishop (b. 1888) |
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| dora leen (b. 1880) |
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| edward leen IE (b. 1885) |
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bill leen American musician, US (b. 1962) |
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| nina leen American photographer, US (b. 1914) |
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linda leen Latvian musician, LV (b. 1979) |
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| georges lam shang leen b.25 December 1933 d.12 December 2007 (b. 1933) |
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laurens leen |
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| simonne leen Belgian politician, BE (b. 1956) |
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| frank leen Belgian association football player, BE (b. 1970) |
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| randy leen golfer (b. 1975) |
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| willie joe leen Irish hurler, IE |
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