UA, U-A, Ua, uA, or ua may refer to:
The UAAP Season 81 volleyball tournaments started on October 31, 2018 with the junior tournaments. The games were played at the Filoil Flying V Centre, Mall of Asia Arena, Smart Araneta Coliseum and the Blue Eagle Gym.
The UAE Pro League, known for sponsorship reasons as the Arabian Gulf League, is the top professional football league in the United Arab Emirates (UAE).
The UAB Blazers are the varsity intercollegiate athletic programs that represent the University of Alabama at Birmingham (UAB).
The UAAP Season 80 volleyball tournaments started on September 9, 2017 with the junior tournaments. The games were played at the Filoil Flying V Centre, Mall of Asia Arena, Smart Araneta Coliseum and the Blue Eagle Gym.
The UAB Blazers football team represents the University of Alabama at Birmingham (UAB) in the sport of American football.