Surname Fychan (Fychan 
, Фичан 
) , in the entire world, is a very rare last name. The cognomen Fychan is habitual in the United Kingdom, where it is a very rare surname, and Russia, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Fychan | United Kingdom |
| Фичан | Russia |
| ednyfed fychan Welsh soldier, GB (b. 1170) |
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| owain fychan prince (b. 1200) |
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| rhys fychan (b. 1200) |
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| iorwerth fychan Welsh poet, GB (b. 1250) |
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| madog fychan Welsh noble, d. 1269 (b. 1250) |
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| madog fychan Welsh noble, d. 1325 (b. 1250) |
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llywelyn ap gruffydd fychan Welsh rebel, GB (b. 1341) |
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| rhys fychan Prince of Deheubarth, GB (b. 1300) |
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| lowri ferch gruffudd fychan (1358-1399) (b. 1365) |
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| gwerful fychan Welsh poet, GB (b. 1450) |
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| gruffydd ap ieuan ap llywelyn fychan Welsh nobleman and poet, GB (b. 1485) |
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| simwnt fychan Welsh poet and genealogist (b. 1530) |
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heledd fychan Plaid Cymru politician, GB (b. 1980) |
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| hywel ap madog ap rhûn ap gronwy fychan (1383-1408) |
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| rhûn ap seisyll ap rhûn fychan 1280 |
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