People of Mission Stories (L – O)
- Mary Isabella McClellan Lambuth
- Walter Russell Lambuth
- Jason Lee
- Robert Samuel Maclay
- Felipe Marquez
- Edith Martin
- Andres Martinez
- Mary Johnston Hospital
- Mary W. Mason
- Alma Mathews
- Eunice Jones Mathews
- James K. Mathews
- Felton May
- McCurdy Mission School
- John Berry McFerrin
- Willie Elizabeth Harding McGavock
- Ernestine McKinney
- McMahan Chapel
- Methodist Commission on Resource Development (MCRD)
- Methodist Women in Climate Justice Mission
- Margaret Ross Miller
- The Miller Family
- Minga Hospital
- Rüdiger R. Minor
- Kanichi Miyama
- Simei Monteiro
- Arthur J. Moore
- Arthur J. Moore, Jr.
- Cornelia Chillson Moots
- Motive Magazine
- John R. Mott
- Abel Tendekayi Muzorewa
- Emerito P. Nacpil
- Wilhelm Nast
- Neighborhood Center of Harrisburg, Pennsylvania
- J. C. C. Newton
- Newtown Indian UMC, Okmulgee, Oklahoma
- New York Methodist Hospital
- Evelyn Riley Nicholson
- D. T. (Daniel Thambyrajah) Niles
- Mary Clarke Nind
- Frank Scovill Onderdonk
- William Fitzjames Oldham
- Louise James Oldshue and the First Charter for Racial Justice
- Old Mutare Mission