| Material Girl | comedy television series | 1 | 6 |
| May to December | sitcom | 6 | 39 |
| Mayday | — | 1 | 5 |
| Mayo | detective fiction | 1 | 8 |
| McCready and Daughter | — | 1 | 6 |
| McMafia | crime film | 1 | 8 |
| Meet the Izzards | — | — | — |
| Meet the Wife | sitcom | 5 | 39 |
| Men of the World | sitcom | 2 | 12 |
| Merlin | fantasy television series, adventure television series, drama television series | 5 | 65 |
| Merseybeat | drama television series | 4 | 38 |
| Michael McIntyre's Big Show | — | — | — |
| Michael McIntyre's Comedy Roadshow | comedy television series | 2 | 13 |
| Miss Austen | period drama film, historical drama | 1 | 4 |
| Miss Marple | detective television series | 1 | 12 |
| Missing | factual television program | 8 | 24 |
| Missing | crime film | 2 | 15 |
| Mission Africa | reality television | 1 | 12 |
| Mistresses | drama television series, LGBT-related television series | 3 | 16 |
| Monarch of the Glen | drama television series | 7 | 64 |
| Monarchy: The Royal Family at Work | documentary film | — | 5 |
| Money For Nothing | — | — | — |
| Monty Python's Flying Circus | comedy television series | 4 | 45 |
| Moon and Son | — | — | 13 |
| Moondial | — | 1 | 6 |
| Moonflower Murders | — | — | — |
| Mop and Smiff | — | 1 | 13 |
| Morning Live | — | — | — |
| Moses | documentary film | 1 | 1 |
| Mother Love | — | 1 | 4 |
| Motorway Cops | reality television | 7 | 33 |
| Mountain | documentary film | — | 5 |
| Movie Connections | documentary film | — | 16 |
| Moving On | drama television series | 12 | 65 |
| Mr Justice Duncannon | sitcom | 1 | 6 |
| Mr Loverman | LGBT-related television series | — | — |
| Mrs Merton and Malcolm | sitcom | 1 | 6 |
| Mrs Wilson | drama | 1 | 3 |
| Mulberry | sitcom | 2 | 13 |
| Multi-Coloured Swap Shop | — | 6 | 146 |
| Murder in Eden | — | 1 | 3 |
| Murder in Mind | anthology series, drama television series | 3 | 23 |
| Murphy's Law | — | 5 | 23 |
| Mutual Friends | comedy drama | 1 | 6 |
| My Family | sitcom | 11 | 120 |
| My Hero | sitcom, science fiction television series | 6 | 51 |
| My Pal Bob | — | 2 | 10 |
| My Wife Next Door | sitcom | 1 | 13 |
| Nanny | — | 3 | 30 |
| Nationwide | — | — | — |
| Nature's Great Events | nature documentary, documentary film | — | 6 |
| NCS: Manhunt | police procedural | 2 | 8 |
| Neighbourhood Blues | — | — | — |
| Neighbourhood Watched | reality television | 3 | 14 |
| Nelson's Column | sitcom | 2 | 12 |
| New Blood | crime television series | 1 | 7 |
| New Tricks | police procedural, drama television series | 12 | 107 |
| New Year Live | television special | — | 5 |
| News After Noon | — | — | — |
| Newsround | children's broadcasted news | — | — |