In the entire world, Gwenno (Gwenno 
) is a very rare feminine first name. The forename Gwenno is habitual in Northern Europe, particularly the United Kingdom, where it is a rare female name. Much less frequently, Gwenno is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Gwenno | Brazil, United Kingdom, United States, New Zealand, South Africa |
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gwenno saunders Welsh singer, GB (b. 1981) |
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| gwenno hywyn Welsh author, GB (b. 1949) |
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| gwenno davies writer |
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| gwenno mair davies writer |
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| gwenno teifi Welsh-language activist, GB (b. 1987) |
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| gwenno hughes |
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| gwenno hughes British cyclist, GB (b. 1999) |
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Mai, Renney, Davies, George, Jarvis, Thomas, Henley, Hebert, Hopkin, Hughes, Watson, Carroll, Roberts, Gibbard, Edwards, Burrough, Rowlands, Griffith, Williams, Pritchard, Griffiths, Humphreys, Cavier, Morgan, Morris, Hywel, Puw, Haf, Wyn, Bebb, Rice, Glyn, Huws, Ford, Owen, Schat, Roberts-Jones, Crump, Parry, Lewis, Lloyd, James, Jones, Tomos, Ellis, Evans, Eynon, Healy, Brown, and Hughes-Marshall