RTS

* Radio Television of Serbia, the public radio and television broadcaster of Serbia.
* Radio Télévision Suisse, the French-language division of SRG SSR, the public broadcaster of Switzerland.
* Radio and Television of Singapore, the predecessor of Mediacorp (the current terrestrial broadcaster of Singapore) from 1963 to 1980.
* RedTeleSistema, a Ecuadorian television channel owned by Albavisión.
* RTS Televisión Santafesina, an Argentine television channel.