TVA may refer to:
- TVA, Montréal-based Canadian French language television channel.
- TVA Rio Branco, Brazilian television channel previously known as ABC TV, and affiliate of RedeTV!.
- Tennessee Valley Authority, American federally-owned utility power company owned.
- Television Aichi, Japanese television channel, part of TV Tokyo's TXN Network
- Time Variance Authority, fictional organisation in charge of maintaining the Sacred Timeline, featured in Marvel Cinematic Universe.
- TVA, defunct Brazilian cable-TV provider, superseded by Vivo TV.
- WTVA, an NBC-affiliated television station broadcasting on channel 9.1 that is licensed to Tupelo, Mississippi in the United States.