RSI Rete Uno (English: Network One) is the principal radio channel of the Swiss public-service broadcasting organization RSI.
Broadcasting in Italian, it is receivable throughout Switzerland (as well as southern Germany) via FM, DAB, cable, and satellite. Until 31 June 2008 (when SRG SSR ceased broadcating on the 558 kHz medium-wave frequency) it had also been audible in large areas of northern and central Italy.
The station identifies itself on-air as "Radio Svizzera - Rete Uno". On FM Bands, it identifies itself as "RETE UNO" The director of RSI Rete Uno is Edy Salmina.