Throughout the world, Ceridwen (Ceridwen 
) is a rare female first name. The forename Ceridwen is characteristic of the United Kingdom, where it is a rare girly name, Australia, and South Africa, where it is a very rare feminine name. Measured by absolute frequency, it is commonest in the United Kingdom, Australia, and the United States. Very seldom, Ceridwen is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Ceridwen | United Kingdom, United States, South Africa, Singapore, Australia |
| ceridwen lloyd davies musician and lecturer, GB (b. 1900) |
|
|
|
ceridwen fraser Australian biogeographer, AU (b. 1979) |
|
| ceridwen dovey South African-Australian writer and anthropologist, AU (b. 1980) |
|
|
| ceridwen boel researcher (ORCID 0000-0003-4818-0955) |
|
Lee, Godwin, George, Thomas, Nugent, Hughes, French, Foster, Wilson, Slawson, Chapman, Copping, Bamford, Roberts, Gleeson, Edwards, Haylock, Wheeler, Bennison, Oldfield, Williams, Quattrin, Garmon, Garcia, Davies, Ruegner, Smee, Boon, Kerr, Rees, John, Hall, Holm, Owen, Smith, Brown, Griffiths, Koski, Lakin, Lewis, Lewin, Jones, Ellis, Evans, Morris, Shultz, Spiker, Kelley, Price, and Fernandez