Last name Суткус (Суткус 
) , globally, is a very rare family name. The last name Суткус is habitual in Eastern Europe, particularly Belarus, where it is a very rare surname, Ukraine, and Russia, where it is an extremely rare surname. Much less frequently, Суткус is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Суткус | Russia, Ukraine, Belarus |
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суткус, антанас Lithuanian teacher, LT (b. 1892) |
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| суткус, робертас Lithuanian chess player (1953-2008), LT (b. 1953) |
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| суткус, витаутас Lithuanian chess player, LT (b. 1953) |
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