Family name Sillou (Sillou 
) , across the world, is a rare surname. The last name Sillou is habitual in the Democratic Republic of the Congo, where it is a rare surname, France, where it is a very rare surname, and the United Kingdom, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Sillou | Democratic Republic of the Congo, United Kingdom, Philippines, Canada, France |
| rené sillou French association football player, FR (b. 1944) |
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