Una \u-na\ as a girl's name is pronounced OO-nah. It is of Latin origin, and the meaning of Una is "one". Also a phonetic spelling of Unah (Irish), meaning "hunger" or "lamb". In Edmund Spenser's 16th century epic poem "The Faerie Queen", the heroine of the first book is Una. She symbolizes truth, unity, and the one, true (Anglican) church.

For more information, see also the related name Agnes.

Baby names that sound like Una are Ina, Ena, Ana and Yna. Other similar baby names are Uda, Ula, Uma and Uta.