Una and UNA may refer to:
In geography:
- Una River (disambiguation), numerous rivers
- Una District, in Himachal Pradesh, India
- Una, Himachal Pradesh, a town in India
- Una, Gujarat, a town in India
- Una, California, an unincorporated community in the United States
- Una, Mississippi, an unincorporated community in the United States
- Una, neighborhood of Spartanburg, South Carolina
- Una, Bahia, a town in Brazil
In literature:
- Una, a love novel by Momo Kapor (1981)
- Una, a character in The Faerie Queene
- Una, one codename of the DC Comics superheroine Luornu Durgo
- Una (Stardust), a character in Stardust by Neil Gaiman
In music:
- Una Healy (born 1981), Irish singer and member of The Saturdays
- UNA (band)
- "Una" (song) a song by Sponge Cola
In biology:
- Una (genus), a genus of butterflies
- Una virus, an arbovirus widely distributed in South America
In chemistry:
- Unlocked Nucleic Acid (UNA), a flexible nucleic acid analogue often used for modified siRNA also termed usiRNA.
In other fields:
- Úna, wife of Finnbheara, king of the fairies in Irish Mythology
- 160 Una, an asteroid named after the Faerie Queene character
- Una (prefix)-, a purported SI prefix
- Una (doll), a Japanese doll
- Saint Hunna (Una)
- One (feminine form of un/uno in the Spanish language and in the Italian language)
- UNA.ac - The Universal Network for Academics
UNA may refer to:
- National University of Asunción, Paraguay's oldest and biggest university
- United Nations Association
- United Nurses Association
- Union of North America
- Ukrainian People's Army, the military of a short lived Ukrainian Republic, often called UNA
- Ukrainian National Army, a formation in the Wehrmacht
- Ukrainian National Association
- United Nationalist Alliance, a political alliance in the Philippines
- University Neighbourhood Association
- University of North Alabama
- University of the Netherlands Antilles
- Untergruppe Nachrichtendienst und Abwehr
- Unique name assumption
- U.N.A., a techno dance project (1992 single 'Emotion' and 1993 single 'Can U Hear Me?')
- UNA, a real-time collaborative development environment for software engineers
- UNA (Untergruppe Nachrichtendienst und Abwehr), the former name of the Swiss Military Intelligence Service
- UNA - United Native Americans, Inc.