| ON Sports | VN | sports |
| ON Sports News | VN | sports |
| ON Sports+ | VN | entertainment, sports |
| ON Style TV | VN | lifestyle |
| ON TV 46 | HT | entertainment |
| ON Vie Dramas | VN | entertainment |
| ON Vie Giai Tri | VN | entertainment |
| ONCE | KR | general |
| ONCE TV | BO | general |
| ONDA DIGITAL | PE | general |
| ONE | SG | entertainment |
| ONE TV | CO | general |
| ONE TV | MD | news |
| ONE-TV | CD | religious |
| ONMAX | NG | general |
| ONNtv | CA | general |
| ONS | NL | entertainment |
| ONT | BY | general |
| ONT | KR | general |
| ONTV | MN | general |
| ONTV Education Access | US | education |
| ONTV Government Access | US | legislative |
| ONTV Nigeria | NG | general |
| ONTV Public Access | US | general |
| OOG TV | NL | general |
| OPEN Rotterdam TV | NL | general |
| OPM TV | JM | legislative |
| OPM TV | NG | religious |
| OPM TV | US | general |
| ORBIT TV | DO | general |
| ORF 1 | AT | general |
| ORF 1 Sudtirol | IT | general |
| ORF 2 | AT | general |
| ORF 2 Burgenland | AT | general |
| ORF 2 Europe | AT | culture |
| ORF 2 Karnten | AT | general |
| ORF 2 NO | AT | general |
| ORF 2 Oberosterreich | AT | general |
| ORF 2 Salzburg | AT | general |
| ORF 2 Steiermark | AT | general |
| ORF 2 Tirol | AT | general |
| ORF 2 Vorarlberg | AT | general |
| ORF 2 Wien | AT | general |
| ORF III | AT | culture |
| ORF Kids | AT | kids |
| ORF Sport+ | AT | sports |
| ORT | GR | general |
| ORT | RU | general |
| ORTB TV | BJ | general |
| ORTC TV | KM | general |
| ORTM 1 | ML | general |
| ORTM 2 | ML | general |
| ORTS TV | NL | general |
| OSBC TV | NG | general |
| OSN | RU | general |
| OSN Comedy | AE | comedy |
| OSN Family | AE | family |
| OSN Kids | AE | kids |
| OSN Kidzone | AE | kids |
| OSN Living | AE | lifestyle |
| OSN Mezze | AE | documentary |
| OSN Movies Action | AE | movies |
| OSN Movies Hollywood | AE | movies |
| OSN News | AE | news |
| OSN Pop Up | AE | general |
| OSN Series Prime | AE | series |
| OSN Showcase | AE | general |
| OSN W | AE | general |
| OSN Yahala | AE | entertainment |
| OSN Yahala Aflam | AE | movies |
| OSN Yahala Bil Arabi | AE | general |
| OTAU TV Channel | KZ | general |
| OTO | SI | animation, kids |
| OTR | RU | general |
| OTS | RU | general |
| OTSE | UA | entertainment |
| OTV | AT | general |
| OTV | EE | entertainment |
| OTV | EG | entertainment |
| OTV | GH | entertainment |
| OTV | HR | news |
| OTV | LB | general |
| OTV | MN | general |
| OTV | PW | general |
| OTV | RU | entertainment |
| OTV | UA | general |
| OTV Chelyabinsk | RU | entertainment |
| OTV Odintsovo | RU | entertainment |
| OTV Sakhalin | RU | entertainment |
| OTV Television de Otavalo | EC | general |
| OTV Valentino | BA | general |
| OTV-Prim | RU | entertainment |
| OTVA | DE | general |
| OUN | KR | education |
| OURTV | US | lifestyle |
| OUTtv | CA | entertainment |
| OUTtv | NL | entertainment |
| OWN | CA | lifestyle |
| OWN | US | lifestyle |
| OXIR TV | IR | entertainment |
| OaheTV | US | general |
| Oasis RTV | PE | general |
| Oasis TV | CO | religious |
| Oasis TV | PY | entertainment |
| Oasis Television | VE | general |
| Obedira TV | PY | religious |
| Obektiv 59 | RU | general |
| Oberlausitz TV | DE | general |
| Oberpfalz TV | DE | general |
| Obieqtivi TV | GE | news |
| Obonu TV | GH | culture |
| Obosso TV | CG | culture |
| Obozrevatel TV | UA | news |
| Observator News | RO | news |
| Obshchestvennoe Nezavisimoe Televidenie | UA | news |
| Obuda TV | HU | general |
| Ocana TV | CO | general |
| Occidental TV | PY | general |
| Occidente TV | CO | general |
| Ocean 1TV | GH | general |
| Ocean News Network | UK | news |
| Ocean TV | GN | general |
| Ocean TV Network | MV | culture |
| Ocean-TV | RU | general |
| Ocko | CZ | music |
| Ocko Black | CZ | music |
| Ocko Expres | CZ | music |
| Ocko Gold | CZ | music |
| Ocko Star | CZ | music |
| Odeon 24 | IT | general |
| Oder-Spree-Fernsehen | DE | general |
| Odesa.Live | UA | news |
| Odisea | ES | documentary |
| Odisea TV | CL | general |
| Odisha TV | IN | culture |
| Odishi TV | GE | general |
| Odisseia | PT | documentary |
| Odyssey | CA | culture |
| Oeins | DE | music |
| Offener Kanal Wernigerode | DE | general |
| Ofogh TV | IR | culture |
| Oggy e as Baratas Tontas | US | kids |
| Ogun State TV | NG | general |
| Ogyaba TV | GH | religious |
| Oh Muang Lao TV | LA | general |
| Ohio Parole Board | US | legislative |
| Ohm TV | LK | religious |
| Oho Live TV | FI | general |
| Ohotnik i rybolov | RU | outdoor |
| Ohotnik i rybolov Int | RU | outdoor |
| Oi Filmes | BR | movies |
| Oireachtas TV | IE | legislative |
| Oireachtas TV Committee Room 1 | IE | legislative |
| Oireachtas TV Committee Room 2 | IE | legislative |
| Oireachtas TV Committee Room 3 | IE | legislative |
| Oireachtas TV Committee Room 4 | IE | legislative |
| Oireachtas TV Dail Eireann | IE | legislative |
| Oireachtas TV Seanad Eireann | IE | legislative |
| Oizmendi Telebista | ES | culture |
| Okey | MY | general |
| Okezone TV | ID | lifestyle |
| Okhota i rybalka | RU | outdoor |
| Okko Futbol | RU | sports |
| Okko Prajm Sport | RU | sports |
| Okko Sport | RU | sports |
| Okko TV | RU | movies |
| Okto | AT | general |
| Okto | SG | kids |
| Ola Grupera | MX | music |
| Olam Metro TV | NI | religious |
| Olam7 Internacional | NI | religious |
| Olanchito TV Canal 23 | HN | general |
| OlayTurk TV | TR | news |
| Oldies Hits | CR | music |
| Olelo 49 | US | legislative |
| Olelo 53 | US | culture |
| Olelo 54 | US | legislative |
| Olelo 55 | US | entertainment |
| Oli TV | CL | general |
| Oli TV | IN | entertainment |
| Olloo TV | MN | general |
| Olot TV | ES | general |
| Olympia TV | FR | entertainment |
| Olympiakos Super League Pass | GR | sports |
| Olympic Channel | ES | sports |
| Olympic Channel USA | US | sports |
| Om Shanti | IN | religious |
| Oman Sports TV | OM | sports |
| Oman TV | OM | general |
| Oman TV Cultural | OM | culture |
| Oman TV Mubashir | OM | news |
| Omega | IS | religious |
| Omega Channel | CY | general |
| Omega TV | BF | religious |
| Omega TV | PE | general |
| Omega TV | VE | religious |
| Omega TV UK | UK | culture |
| Ometepe TV | NI | general |
| Omg Channel | EG | entertainment |
| Omg Series | EG | series |