M
| Character | Actor | Previous actor (s) | Duration |
|---|---|---|---|
| Clare Machin | Melanie Barker | 2000 | |
| Joe Makinson | Brian Rawlinson | 1961, 1963, 1970 | |
| Scooter Makuna | Sushil Chudasama | 2005 | |
| Becky Mallett | Megan Foster | 1998–2000 | |
| Billy Mallett | Lewis Ablett | 1998–2000 | |
| Gary Mallett | Ian Mercer | 1995–2000 | |
| Judy Mallett | Gaynor Faye | 1995–1999 | |
| Shane Mallett | Lee Hartney | 1999 | |
| Anne Malone | Eve Steele | 1995–1997, 1998 | |
| Mickie Malone | Bill Maynard | 1970 | |
| Nina Mandal | Harvey Virdi | 2008 | |
| Prem Mandal | Madhav Sharma | 2008 | |
| Tara Mandal | Ayesha Dharker | 2008–2009 | |
| Jackie Marsh | Pamela Craig | 1966 | |
| Sonia Marshall | Tina Gambe | 2003–2005 | |
| Clarissa Mason | Alexandra Boyd | 2008 | |
| Dan Mason | Matthew Crompton | 2007–2008 | |
| Edwin Mason | Campbell Singer | 1961, 1963 | |
| Harry Mason | Jack Ellis | 2007–2008 | |
| Ron Mather | Joe Lynch | 1978–1979 | |
| Billy Matheson | Neil Bell | 2011 | |
| Sylvia Matthews | Rosemary Dunham | 1976 | |
| Bob Maxwell | Donald Hewlett | 1965 | |
| Dennis Maxwell | William Lucas | 1971 | |
| Moira Maxwell | Ann Castle | 1965, 1966 | |
| Paula Maxwell | Judy Brooke | 1992, 1994 | |
| Ciaran McCarthy | Keith Duffy | 2002–2005, 2010–2011 | |
| Andy McDonald | Nicholas Cochrane | 1989–1997, 2000, 2004, 2009 | |
| Becky McDonald | Katherine Kelly | 2006–2012 | |
| Jim McDonald | Charles Lawson | 1989–2000, 2003, 2004, 2005, 2007–2008, 2009, 2010, 2011 | |
| Karen McDonald | Suranne Jones | 2000–2004 | |
| Katie McDonald | Unknown | 1992 | |
| Liz McDonald | Beverley Callard | 1989–1998, 2000–2001, 2003, 2004–2010, 2011 | |
| Vicky McDonald | Chloe Newsome | Helen Warburton | 1990–1996, 1998 |
| Anna McIntyre | Susan Mitchell | 2008 | |
| Cameron McIntyre | Ryan Cook | 2006 | |
| Joe McIntyre | Reece Dinsdale | 2008–2010 | |
| Alan McKenna | Glenn Hugill | 1996–1997 | |
| Iris Merry | Joan Kempson | 2001 | |
| Darren Michaels | Nicholas Zabel | Bruno Langley | 2000, 2001 |
| Glenn Middleham | Will Haigh | 2000–2001 | |
| Clive Middleton | Joe Speare | 1996, 1997 | |
| Fiona Middleton | Angela Griffin | 1992–1998 | |
| Lee Middleton | Nicholas Bailey | 1996, 1997 | |
| Morgan Middleton | Connor Chatburn | 1998 | |
| Pam Middleton | Elizabeth Estensen | 1996, 1997, 1998 | |
| Clara Midgeley | Betty Hardy | 1965–1966 | |
| Goran Milanovic | Matt Zarb | 2002 | |
| Edna Miller | Joan Kempson | 1998, 2000–2001 | |
| Sandra Milligan | Francesca Manning | 2002 | |
| Carol Mills | Collette Cooper | 2002 | |
| Ernie Mills | Jack Grieve | 1966, 1967 | |
| Frank Mills | Nigel Gregory | 1985 | |
| Stephanie Mills | Rebecca Atkinson | 2002 | |
| Christine Millward | Julie Shipley | 1985 | |
| Pip Mistral | Elaine Stevens | 1964 | |
| Neil Mitchell | John Lloyd Fillingham | 1992–1993 | |
| Jackie Moffatt | Jacqueline Tong | 1982 | |
| Charlie Moffitt | Gordon Rollings | 1964–1965 | |
| DC Moore | Pooja Shah | 2011 | |
| Megan Morgan | Sue Roderick | 1989 | |
| Ruth Morgan | Kirsten Parker | 1998 | |
| Vanessa Morgan | Imogen Boorman | 1992 | |
| Poppy Morales | Sophiya Haque | 2008–2009 | |
| Jill Morris | Linda Cook | 1967, 1968 | |
| Darryl Morton | Jonathan Dixon | 2007–2009 | |
| Jerry Morton | Michael Starke | 2007–2008 | |
| Jodie Morton | Samantha Seager | 2007 | |
| Kayleigh Morton | Jessica Barden | 2007–2008 | |
| Mel Morton | Emma Edmondson | 2007–2008 | |
| Wilfred Morton | Rodney Litchfield | 2007 | |
| Jim Mount | Barry Keegan | 1965–1966 | |
| Tim Munson | Andrew Grose | 1999, 2000 | |
| Tickler Murphy | Patrick McAlinney | 1964 | |
| Doug Murray | Brian Hibbard | 1992–1993 |
Read more about this topic: List Of Past Coronation Street Characters