Family name Jancis (Jancis 
) , worldwide, is a rare cognomen. The surname Jancis is habitual in Northern Europe, particularly Lithuania, where it is quite a rare surname, Latvia, and Estonia, where it is a rare surname. Not in comparison with a country's population, the name is most common in Lithuania, Latvia, and the United States. More frequently, Jancis is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Jancis | Democratic Republic of the Congo, Lithuania, United Kingdom, Latvia, United States |
|
jancis robinson British journalist, GB (b. 1950) |
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| jancis hutchison (born 1929) (b. 1929) |
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| valdis jancis Latvian musician, LV (b. 1934) |
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| jancis primrose evatt (born 1935) (b. 1935) |
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| uldis jancis (b. 1965) |
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| rainer jancis (b. 1969) |
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