Series with the first letter - "M"
- MasterChef Australia (2009–…)
- Masterpiece Classic (1971–…)
- Masterpiece Theatre: Lord Mountbatten - The Last Viceroy (1986–…)
- Masters of Horror (2005–2007)
- Masters of Illusion (2014–…)
- Masters of Science Fiction (2007–…)
- Masters of Sex (2013–2016)
- Masters of the Universe: Revelation (2021–…)
- Masum (2017)
- Mata Hari (2016–…)
- Matador (2014)
- Matchday: Inside FC Barcelona (2019–…)
- Maternal (2023–…)
- Materské znamienko (1985–…)
- Matlock (1986–1995)
- Maude (1972–1978)
- Mauvaise Pioche (2022–…)
- Maverick (1957–1962)
- MaveriX (2022)
- Max Steel (2013–2015)
- Maxine (2022–…)
- May I Help You (2022–…)
- Mayans M.C. (2018–…)
- Mayflies (2022–…)
- Mayor of Kingstown (2021–…)
- McDonald & Dodds (2020–…)
- McGee and Me! (1989–1992)
- McLeod's Daughters (2001–2009)
- McMafia (2018–…)
- McMillan & Wife (1971–1977)