Una Meredith, character in the Anne of Green Gables series
Una, main character in Barbara Cartland's book "Alone in Paris"
"Una," song by Filipino band Sponge Cola
"Una," novel by Serbian writer Momo Kapor
Una, character in poem "The Faerie Queene" by EdmundSpenser
Una, one code name of DC Comics super heroine Luornu Durgo
Una, character in "Stardust" by Neil Gaiman