RTÉ KIDSjr
| Country | Ireland |
|---|---|
| Broadcast area | Republic of Ireland Northern Ireland |
| Headquarters | Donnybrook, Dublin |
| Programming | |
| Languages | English Irish |
| Picture format | 1080p 16:9 (HDTV) (RTÉ Player & Sky Glass) 576i 16:9 (SDTV) |
| Ownership | |
| Owner | Raidió Teilifís Éireann |
| Sister channels | RTÉ One RTÉ2 RTÉ News RTÉ Kids |
| History | |
| Launched | 20 September 2010 (programming block) 27 May 2011 (simulcast channel) 15 April 2013 (stand-alone channel) |
| Former names | RTÉjr (2010–2025) |
| Links | |
| Website | rte |
| Availability | |
| Terrestrial | |
| See separate section | |
| Streaming media | |
| See separate section | |
RTÉ KIDSjr (formerly RTÉjr) is an Irish free-to-air children's television channel owned and operated by RTÉ. The channel mainly targets 2- to 7-year-olds, but some cartoons for older children also air. The channel is part of RTÉ Kids.
The channel broadcasts 12 hours of programming each day between 7:00 am and 7:00 pm. It is supported by additional services available on-demand, on mobile and online. The channel operates alongside its sister strand RTÉ Kids on RTÉ2. Until 2025, there was a companion radio service called RTÉ Jr Radio.