Guiomar is a name with roots in French, Portuguese, Spanish, and Arthurian traditions. Its etymology is uncertain; one theory links it to the Breton elements uuiu (worthy) and marc'h (horse), while another suggests it originates from the Germanic name Wigmar, composed of the elements wig "war, battle" and mari "famous".Arthurian LegendsGuiomar appears in the medieval Lancelot-Grail Cycle as a minor character, a cousin of Queen Guinevere. He becomes a lover of Morgan le Fey, leading to his banishment by Guinevere.Geographic Distribution and Notable BearersGuiomar is found as both a given name and surname in France, Spain, Portugal, Brazil, and Macao, where it historically functioned as a masculine name but is now feminine in Portugal and Spain. Notable bearers include: Brazilian pianist Guiomar Novaes (1895–1979); Portuguese businessperson Guiomar Madalena de Sá e Vilhena (1705–1789); Antonio Machado's muse, Spanish poet Pilar de Valderrama (1889–1979), who wrote under the pen name Guiomar; as well as figures such as Venezuelan baseball player Giomar Guevara (born 1972), Miss Macau 1996 Guiomar Pedruco (born 1974), and actress Ana Guiomar (born 1988).Meaning: Possibly "war-famous" or "worthy horse"Origin: Germanic or BretonType: Feminine given name in Portugal/Spain; surnameUsage: Portuguese, Spanish, Arthurian Cycle