Rai 3
| Logo used since 2016 | |
| Country | Italy | 
|---|---|
| Broadcast area | Italy France (Corsica, southern portion) Switzerland (southern portion) Austria (southern portion) Slovenia (western portion) San Marino Vatican City | 
| Headquarters | Rome, Italy | 
| Programming | |
| Language(s) | Italian | 
| Picture format | 1080i HDTV (downscaled to 16:9 576i for the SDTV feed) | 
| Ownership | |
| Owner | RAI | 
| Sister channels | Rai 1 Rai 2 Rai 4 Rai 5 Rai Gulp Rai Movie Rai News 24 Rai Premium Rai Scuola Rai Sport Rai Storia Rai Yoyo Rai Ladinia Rai Südtirol Rai Italia | 
| History | |
| Launched | 15 December 1979 | 
| Former names | Rete 3 (1979–1982) Rai Tre (1982–2010) | 
| Links | |
| Website | rai.it/rai3 | 
| Availability | |
| Terrestrial | |
| Digital terrestrial television | Channel 103 (HD) Channel 503 (SD) | 
| Streaming media | |
| RaiPlay | Live streaming (Only in Italy) | 
Rai 3 (formerly Rai Tre) is an Italian free-to-air television channel owned and operated by state-owned public broadcaster RAI – Radiotelevisione italiana. It was launched on 15 December 1979 and its programming is centred towards cultural and regional programming. It has always been considered the most left-leaning channel of Italian public television. Rai 3 is a direct competitor to La7 and Mediaset's Rete 4.