Rai 4
| 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 3 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 | 14 July 2008 | 
| Replaced | Rai Utile | 
| Links | |
| Website | rai4.rai.it | 
| Availability | |
| Terrestrial | |
| Digital terrestrial television | Channel 21 (SD) | 
| Streaming media | |
| Rai Play | Live streaming | 
Rai 4 ("RAI Quattro") is an Italian free-to-air television channel owned and operated by state-owned public broadcaster RAI – Radiotelevisione italiana. Launched on 14 July 2008 with the film Elephant, Rai 4 targets youths with films, TV series and anime.