Surname Sís (Sis 
, Cheese 
, Sís 
) , around the world, is a common family name. The surname Sís is characteristic of Guatemala, where it is quite a common surname, Myanmar, and United Arab Emirates, where it is quite a rare surname. Measured by absolute frequency, it is commonest in Guatemala, Myanmar, and Indonesia. Likewise, Sís is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Sis | Myanmar, India, Guatemala, Ghana, Indonesia |
| Cheese | India, Taiwan, United States, Indonesia, United Kingdom |
| Sís | Czechia |
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františek sís Czech politician and publicist (1878-1938), CZ (b. 1878) |
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vladimír sís Czech writer, CZ (b. 1889) |
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petr sís Czech illustrator and writer, CZ (b. 1949) |
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| vladimír sís Czech director, CZ (b. 1925) |
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| radoslav sís Czech basketball player and basketball coach (1928-1989), CZ (b. 1928) |
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| miloš sís (b. 1934) |
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| david sís CZ (b. 1962) |
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| radek sís CZ |
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