Family name Troël (Troël 
) , all over the world, is a very rare cognomen. The surname Troël is habitual in Western Europe, particularly France, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Troël | France |
| rené troël French fighter, compagnon de la Libération, FR (b. 1923) |
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|
loig troël French musician, FR (b. 1980) |
|
| thierry troël French politician, FR (b. 1964) |
|
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| sarah troël French canoeist, FR (b. 1986) |
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