Family name Gerallt (Gerallt 
) , across the world, is an extremely rare last name. The surname Gerallt is characteristic of the United Kingdom, where it is a very rare surname, and the United States, where it is an extremely rare surname. More frequently, Gerallt is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Gerallt | Argentina, United States, United Kingdom, South Africa |
Geert, Gellert, Gellért, Gerald, Gerard, Gerardo, Gerardus, Gerd, Gerhard, Gerhardt, Geri, Gerold, Gerrit, Gert, Giraldo, Gérald, Gérard, Гелерт, Геллерт, Геральд, Герардус, Геррит, Герт, Герхард, Джеральд, Джерард, Джерард, Жерар, Джерардо, Жерар, Жеро, Херардо, ג'ראלד, ג'רארד, גרהרד, ז'ראר, جيرار, جيرارد, جيرالد, غيرت, and 杰拉德
Wyn, Pennant, Roberts, Edwards, Francis, Wheeler, Phillips, Hughes, Rowlands, Devonald, Llewelyn, Williams, Pritchard, Prytherch, Radcliffe, Richards, Griffiths, Thomas, Davies, Bath, Rhun, Owen, Marsh, Brown, Parry, Dafydd, Lewis, Jones, Ellis, Evans, Hayes, Morris, Morgan, James, and Evans-Hughes