Viacom, an abbreviation of Video and Audio Communications, may refer to:

Viacom (1952–2005), a former American media conglomerate Viacom (2005–2019), a former company spun off from the original Viacom Viacom18, a joint venture between Paramount Global and TV18 in India until 2024 Viacom18 Studios, the film subsidiary of Viacom18

See also CBS (disambiguation) Paramount (disambiguation) Paramount Global, an American media conglomerate known as ViacomCBS until 2022