Series with the first letter - "C"
- Casino (2022–…)
- Cassandra French's Finishing School (2017–…)
- Castle (2009–2016)
- Castle Rock (2018–…)
- Castlevania (2017–…)
- Casual (2015–…)
- Casualty (1986–…)
- Casualty 1907 (2008–…)
- Cat (2022–…)
- Catastrophe (2015–…)
- Catch the Ghost (2019)
- Catching Killers (2021–…)
- CatDog (1998–2005)
- Catfish: The TV Show (2012–…)
- Catherine the Great (2019–…)
- Catterick (2004–…)
- Caught (2018–…)
- CBS Afternoon Playhouse (1978–…)
- Cecilia (2021–…)
- Cedar Cove (2013–2015)
- Celebrity Big Brother (2018–…)
- Celebrity Catchphrase (2013–…)
- Celebrity Ex on the Beach (2014–2020)
- Celebrity Family Feud (2008–…)
- Celebrity Juice (2008–…)
- Celebs Go Dating (2016–…)
- Centennial (1978–1979)
- Central Park (2018–…)
- Central Russia's Vampires (2021–…)
- Cesar Millan: Better Human Better Dog (2021–…)