Cognomen Sununu (Sununu 
, סנונו 
) , around the globe, is a rare surname. The cognomen Sununu is characteristic of Israel, where it is a rare surname, Tanzania, where it is a very rare surname, and Norway. In absolute terms, it is commonest in Israel, the United States, and Nigeria. Much less frequently, Sununu is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Sununu | South Africa, Nigeria, United States, Tanzania, India |
| סנונו | Israel |
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john henry sununu American politician, 75th Governor of New Hampshire, CU (b. 1939) |
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john e. sununu American Congressman, US (b. 1964) |
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chris sununu 82nd governor of New Hampshire since 2017, US (b. 1974) |
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| yusuf tanko sununu Nigerian politician |
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| claire sununu American, Painter. Genre scenes. Active in Lebanon from c. 1968-1988., US |
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| valerie sununu |
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