UAG may stand for:
Biology edit
- In biology, the "amber" stop codon UAG; see genetic code
Education edit
- Universidad Autónoma de Guadalajara, the first private university and host to a large medical school in Mexico.
- University of Arkansas Grantham
Sports edit
- The African Gymnastics Union (French: l'Union Africaine de Gymnastique)
- Estudiantes Tecos, a Mexican professional football (soccer) club, previously associated with the Universidad Autónoma de Guadalajara, and as Tecos UAG
Technology edit
- Microsoft Forefront Unified Access Gateway, Microsoft solution for remote access to corporate applications
- VMware Unified Access Gateway
Transportation edit
- Afra Airlines (ICAO code UAG), an airline in Ghana
- United Auto Group, an American automotive retailer
Video games edit
- UAG, a video game also known as Thundercade