•
Motsi and
Oti Mabuse; dancers •
Benji and
Joel Madden; musicians, members of
Good Charlotte, twins •
Michael and
Virginia Madsen; actors •
Ron and
Paul Magers; television journalists •
Tom and
Ray Magliozzi; radio hosts •
Martie Maguire and
Emily Strayer; musicians, members of
The Chicks •
Phil and
Steve Mahre; alpine ski racers, twins •
Costas and
Louis Mandylor; actors and martial artists •
Herman and
Joseph L. Mankiewicz; screenwriter and writer-director, respectively •
Heinrich and
Thomas Mann; novelists •
Cooper,
Peyton, and
Eli Manning; American football players (sons of
Archie Manning) •
Kate and
Rooney Mara; actresses •
Vanessa and
Laura Marano; actresses •
Sharon,
Cedella,
Ziggy and
Stephen Marley; singers/musicians, and half-brothers
Rohan,
Julian,
Ky-Mani and
Damian Marley; entrepreneur/football player, musicians and DJ/musician, respectively (children of
Bob Marley) •
Nico and half-sister and half-brother
Selah and
YG Marley; football player, model/singer and singer-songwriter, respectively (children of
Rohan Marley and grandchildren of
Bob Marley) •
Athan and
Constantine Maroulis; singers and actors •
Marc and
Alex Márquez; motorcycle racers •
Branford,
Wynton,
Delfeayo and
Jason Marsalis; jazz trumpeter/composer, saxophonist, trombonist and drummer, respectively; (children of
Ellis Marsalis Jr.) •
Garry and
Penny Marshall; motion picture actors/directors • Leonard (
Chico), Arthur (
Harpo), Julius (
Groucho), Milton (
Gummo) and Herbert (
Zeppo Marx); vaudeville and film comedians, known as The
Marx Brothers •
Christopher and
Kyle Massey; actors and rappers •
Danny and
Christopher Masterson; actors •
Billy and Bobby Mauch; actors, identical twins •
Carl and
John Mayer; singers •
Albert and David Maysles; documentary filmmakers •
Floyd,
Roger and
Jeff Mayweather; professional boxers •
John and
James McAtee;
English footballers •
Mary and
Stella McCartney; photographer and fashion designer, respectively (daughters of
Paul McCartney) •
LisaRaye McCoy and
Da Brat; actress and rapper, respectively •
Darius and
Donovan McCrary; actors and singers •
John and
Patrick McEnroe; tennis players •
Danica and
Crystal McKellar; actresses •
Philip and
Nancy McKeon; actors •
Shane McMahon and
Stephanie McMahon-Levesque; Executive Employees for
World Wrestling Entertainment •
Jimmy and
Kristy McNichol; actors and singers •
Ross and
Norris McWhirter; writers, twins •
Jayne and
Audrey Meadows; actresses •
Roger and
Rick Mears; race car drivers •
Selton and
Danton Mello; actors •
Fanny and
Felix Mendelssohn; composers •
Tato and
Cássio Gabus Mendes; actors •
Lyle and Erik Menendez; criminals •
Seth and
Josh Meyers; comedian/TV host and actor/comedian, respectively •
Alyson and
Amanda Michalka; singers and actresses •
Catherine and
Pippa Middleton; member of the British royal family and author; respectively •
Dirce and
Flávio Migliaccio; actors •
Lars and
Mads Mikkelsen; actors •
Arthur Miller and
Joan Copeland; playwright/essayist and actress, respectively •
Savannah and
Sienna Miller; designer and actress, respectively •
Juliet and
Hayley Mills; actresses •
Liza Minnelli and
Lorna Luft; actresses/singers, half-sisters (daughters of
Judy Garland) •
Kylie and
Dannii Minogue; singers •
Aleksei and
Anton Miranchuk; Russian football players, twins •
Scott,
Clint,
Bob and
Dave Moffatt; musicians •
Bengie,
Jose and
Yadier Molina; baseball players and coach, respectively •
Berniece Baker Miracle and Norma Jean Baker (
Marilyn Monroe); writer and actress/model/singer, respectively, half-sisters (daughters of
Gladys Pearl Baker) •
Carlos and
Ricardo Montalbán; actors •
Kate and
Lottie Moss; models, half-sisters •
Mark and
Bob Mothersbaugh; musicians, members of
Devo •
Tia,
Tamera (twins) and
Tahj Mowry; actors •
Ronald and
Michel Mulder; Dutch ice speedskaters, identical twins •
Kate and
Laura Mulleavy; fashion designers •
Richard and
Robert Mulligan; actor and motion picture-director, respectively •
Noah and
Ethan Munck; actors •
Jamie and
Andy Murray; tennis players •
Sean Murray and
Troian Bellisario; stepbrothers, father of Troian is married to mother of Sean •
Brian,
Bill and
Joel Murray; writer/actor and actors, respectively •
Charlie and
Eddie Murphy; actors and comedians ==N==