ČT Déčko
| Country | Czech Republic | 
|---|---|
| Broadcast area | Czech Republic Slovakia Poland Germany Austria USA  | 
| Headquarters | Déčkosvět, Kavčí hory, Prague, Czech Republic  | 
| Programming | |
| Language(s) | Czech | 
| Picture format | 1080i HDTV (downscaled to 16:9 576i for the SDTV feed)  | 
| Ownership | |
| Owner | Czech Television | 
| Sister channels | |
| History | |
| Launched | 31 August 2013 | 
| Links | |
| Website | Official website | 
| Availability | |
| Terrestrial | |
| DVB-T/T2 | MUX 21 (FTA) (HD) | 
| Streaming media | |
| iVysílání | Watch live (Czech only)  | 
| ČT Déčko Online | Watch live (Czech & Slovak only)  | 
ČT Déčko (styled on-air as ČT :D) is a Czech free-to-air television channel operated by Czech Television, specialising in children's content designed for viewers of 2 to 12 years of age. The channel began broadcasting on 31 August 2013, with Petr Koliha as its first executive director.
ČT Déčko broadcasts from 6 am to 8 pm, and shares its frequency with cultural channel ČT art, which uses the remaining hours.