| Name | Title | Court | County | Rate this Judge | Rating | # of Ratings |
| Hon. James MacElree, II | Presiding Judge |
Common Pleas
| Chester |  | | 0 |
| Hon. Donald Machen | Judge |
Common Pleas
| Allegheny | | | 0 |
| Hon. Suzanne Mack | Judge |
Magisterial District
| Erie | | | 0 |
| Hon. Christopher MacKendrick | Judge |
Magisterial District
| Erie | | | 0 |
| Hon. William Mackrides | Judge |
Common Pleas
| Delaware | | | 0 |
| Hon. Joseph Madenspacher | Judge |
Common Pleas
| Lancaster | | | 1 |
| Hon. John Maggs | Judge |
Magisterial District
| Clinton | | | 0 |
| Hon. Michael Mahady | Judge |
Magisterial District
| Westmoreland | | | 0 |
| Hon. William Mahon | Judge |
Common Pleas
| Adams | | | 0 |
| Hon. William Mahon | Judge |
Common Pleas
| Chester | | | 0 |
| Hon. Eugene Edward Maier | Senior Judge |
Common Pleas
| Philadelphia | | | 0 |
| Hon. Daniel Maisano | Judge |
Magisterial District
| Chester | | | 0 |
| Hon. Diana Malast | Judge |
Magisterial District
| Luzerne | | | 0 |
| Hon. Christopher Mallios | Judge |
Common Pleas
| Philadelphia | | | 0 |
| Hon. Gregory Mallon | Judge |
Common Pleas
| Delaware | | | 0 |
| Hon. Thomas Malloy | Judge |
Magisterial District
| Luzerne | | | 0 |
| Hon. Richard Mancini | Judge |
Common Pleas
| Beaver | | | 0 |
| Hon. Colleen Mancuso | Judge |
Magisterial District
| Monroe | | | 0 |
| Hon. Ronald Manescu | Judge |
Magisterial District
| Lehigh | | | 0 |
| Hon. William Manfredi | Judge |
Common Pleas
| Philadelphia | | | 0 |
| Hon. Laura Manifold | Judge |
Magisterial District
| York | | | 0 |
| Hon. Susan Mankamyer | Judge |
Magisterial District
| Somerset | | | 0 |
| Hon. Jeffrey Manning | Judge |
Common Pleas
| Allegheny | | | 1 |
| Hon. Glenn Manns | Judge |
Magisterial District
| Franklin | | | 0 |
| Hon. Mark Mansour | Judge |
Magisterial District
| Westmoreland | | | 0 |
| Hon. Roy Manwaring | Judge |
Magisterial District
| Northampton | | | 0 |
| Hon. Paul Manzi | Judge |
Magisterial District
| Erie | | | 0 |
| Hon. Diane Marakovits | Judge |
Magisterial District
| Northampton | | | 0 |
| Hon. Rebecca Jo Margerum | Judge |
Magisterial District
| Dauphin | | | 0 |
| Hon. Anthony Mariani | Judge |
Common Pleas
| Allegheny | | | 0 |
| Hon. David Mark | Judge |
Magisterial District
| Washington | | | 0 |
| Hon. Jonathan Mark | Judge |
Common Pleas
| Monroe | | | 0 |
| Hon. Michael Marmo | Judge |
Common Pleas
| Allegheny | | | 0 |
| Hon. Brian Marshall | Judge |
Common Pleas
| Centre | | | 0 |
| Hon. Edward Marsico | Judge |
Common Pleas
| Dauphin | | | 0 |
| Hon. Anthony Marsili | Judge |
Common Pleas
| Westmoreland | | | 0 |
| Hon. James Martin | Judge |
Magisterial District
| Elk | | | 0 |
| Hon. William Martin | Judge |
Common Pleas
| Indiana | | | 0 |
| Hon. Mark Martin | Judge |
Magisterial District
| Cumberland | | | 0 |
| Hon. Armand Martin | Judge |
Magisterial District
| Allegheny | | | 0 |
| Hon. Richard Martin, II | Judge |
Magisterial District
| York | | | 0 |
| Hon. Randy Martini | Judge |
Magisterial District
| Allegheny | | | 0 |
| Hon. William Maruszczak | Judge |
Magisterial District
| Montgomery | | 1.2 | 1 |
| Hon. Rita Marwood | Judge |
Magisterial District
| Crawford | | | 0 |
| Hon. Albert Masland | Judge |
Common Pleas
| Cumberland | | | 0 |
| Hon. Scott Massey | Judge |
Magisterial District
| Chester | | | 0 |
| Hon. Frederica Massiah-Jackson | Judge |
Common Pleas
| Philadelphia | | | 1 |
| Hon. Richard Masson | Presiding Judge |
Common Pleas
| Elk | | | 0 |
| Hon. Joseph Matika | Judge |
Common Pleas
| Carbon | | 9.5 | 1 |
| Hon. Robert Matthews | Senior Judge |
Common Pleas
| Philadelphia | | | 0 |
| Hon. Christopher Mattox | Judge |
Magisterial District
| Delaware | | | 1 |
| Hon. Wayne Maura | Judge |
Magisterial District
| Lehigh | | | 1 |
| Hon. Lee Mazur | Senior Judge |
Magisterial District
| Allegheny | | | 0 |
| Hon. William Mazzola | Senior Judge |
Common Pleas
| Philadelphia | | | 0 |
| Hon. Robert Mazzoni | Judge |
Common Pleas
| Lackawanna | | 10.0 | 1 |
| Hon. John McBride | Judge |
Common Pleas
| Beaver | | | 0 |
| Hon. Stephen McBride | Judge |
Magisterial District
| Pike | | | 0 |
| Hon. Justice Seamus McCaffery | Judge |
Superior Court
| None | | | 0 |
| Hon. Justice Seamus P. McCaffery | Judge |
Superior Court
| None | | | 0 |
| Hon. Daniel McCaffery | Judge |
Common Pleas
| Philadelphia | | | 0 |
| Hon. Douglas McCall Bell | Judge |
Magisterial District
| Somerset | | | 0 |
| Hon. Michael McCarthy | Senior Judge |
Common Pleas
| Allegheny | | | 0 |
| Hon. Kevin McCausland | Judge |
Magisterial District
| Armstrong | | | 0 |
| Hon. Casey McClain | Judge |
Magisterial District
| Centre | | | 0 |
| Hon. Kari McCleaft | Judge |
Magisterial District
| Potter | | | 0 |
| Hon. Chase McClister | Judge |
Common Pleas
| Armstrong | | | 0 |
| Hon. Joy Reynolds McCoy | Judge |
Common Pleas
| Lycoming | | | 1 |
| Hon. Jennifer McCrady | Judge |
Common Pleas
| Allegheny | | | 0 |
| Hon. C. Walter McCray, III | Judge |
Magisterial District
| Delaware | | | 0 |
| Hon. Judge Patricia McCullough | Judge |
Commonwealth
| None | | | 0 |
| Hon. Timothy McCune | Judge |
Common Pleas
| Butler | | | 0 |
| Hon. Donna Jo McDaniel | Presiding Judge |
Common Pleas
| Allegheny | | | 0 |
| Hon. Barbara McDermott | Judge |
Common Pleas
| Philadelphia | | | 0 |
| Hon. Traci McDonald | Judge |
Magisterial District
| Washington | | | 0 |
| Hon. Daniel Neil McEwen | Judge |
Magisterial District
| Mercer | | | 0 |
| Hon. F. P. Kimberly McFadden | Judge |
Common Pleas
| Northampton | | | 1 |
| Hon. Katherine McGill Magid | Judge |
Magisterial District
| Montgomery | | | 0 |
| Hon. Judge Bernard McGinley | Judge |
Commonwealth
| None | | | 0 |
| Hon. Carol McGinley | Judge |
Common Pleas
| Lehigh | | | 0 |
| Hon. Hugh McGough | Judge |
Magisterial District
| Allegheny | | | 0 |
| Hon. Brian McGowan | Judge |
Magisterial District
| Erie | | 3.7 | 1 |
| Hon. Scott McGrath | Judge |
Magisterial District
| Lawrence | | | 0 |
| Hon. Sean McGraw | Judge |
Magisterial District
| Lackawanna | | 10.0 | 1 |
| Hon. Maureen McGraw-Desmet | Judge |
Magisterial District
| Allegheny | | | 0 |
| Hon. Brian McGuffin | Judge |
Common Pleas
| Bucks | | | 0 |
| Hon. Daniel R. L. McGuire | Judge |
Magisterial District
| Perry | | | 0 |
| Hon. Elizabeth McHugh | Judge |
Magisterial District
| Montgomery | | | 0 |
| Hon. Raymond McHugh | Judge |
Common Pleas
| Bucks | | | 0 |
| Hon. Patricia McInerney | Judge |
Common Pleas
| Philadelphia | | | 0 |
| Hon. Sonya McKnight | Judge |
Magisterial District
| Dauphin | | | 0 |
| Hon. Maria McLaughlin | Judge |
Common Pleas
| Philadelphia | | 3.0 | 2 |
| Hon. James McMaster | Judge |
Common Pleas
| Bucks | | 2.5 | 9 |
| Hon. John McNally | Judge |
Common Pleas
| Dauphin | | | 0 |
| Hon. John McVay, Jr. | Presiding Judge |
Common Pleas
| Allegheny | | | 0 |
| Hon. John Mead | Judge |
Common Pleas
| Erie | | | 0 |
| Hon. Rayford Means | Judge |
Common Pleas
| Philadelphia | | | 0 |
| Hon. Scott Mears | Judge |
Common Pleas
| Westmoreland | | | 0 |
| Hon. Alan Mege | Judge |
Magisterial District
| Northampton | | | 0 |
| Hon. Robert Mellon | Judge |
Common Pleas
| Bucks | | | 0 |
| Hon. Wendy Richards Mellott | Judge |
Magisterial District
| Fulton | | | 0 |
| Hon. Justice Joan Orie Melvin | Judge |
Superior Court
| None | | | 0 |
| Hon. Paul Menditto | Judge |
Magisterial District
| Pike | | | 0 |
| Hon. N. Christopher Menges | Judge |
Common Pleas
| York | | 2.8 | 1 |
| Hon. Jeffrey Mensch | Judge |
Magisterial District
| Union | | | 0 |
| Hon. John Mercuri | Judge |
Magisterial District
| Lackawanna | | | 0 |
| Hon. James Merkins | Judge |
Magisterial District
| Delaware | | | 0 |
| Hon. Michael Metros | Judge |
Magisterial District
| Fayette | | | 0 |
| Hon. Shawn Meyers | Judge |
Common Pleas
| Franklin | | | 0 |
| Hon. Theodore Michaels , Jr. | Judge |
Magisterial District
| Chester | | | 0 |
| Hon. Kelly Micozzie-Aguirre | Judge |
Magisterial District
| Delaware | | | 1 |
| Hon. Laurie A. Weiss Mikielski | Judge |
Magisterial District
| Erie | | | 0 |
| Hon. Theodore Mikulak | Judge |
Magisterial District
| Wayne | | | 0 |
| Hon. David Miller | Judge |
Magisterial District
| Lancaster | | | 0 |
| Hon. Jack Miller | Judge |
Magisterial District
| Mifflin | | | 0 |
| Hon. Fred Miller | Judge |
Magisterial District
| Blair | | | 0 |
| Hon. Jeffrey Miller | Judge |
Magisterial District
| Clarion | | | 1 |
| Hon. Daniel Miller | Judge |
Magisterial District
| Forest | | | 0 |
| Hon. Charles Miller | Judge |
Common Pleas
| Schuylkill | | | 0 |
| Hon. Craig Miller | Judge |
Common Pleas
| Clinton | | | 0 |
| Hon. Margaret Miller | Judge |
Common Pleas
| Lancaster | | 1.7 | 1 |
| Hon. Linda Wallach Miller | Senior Judge |
Common Pleas
| Monroe | | | 0 |
| Hon. Thomas Miller, Jr. | Judge |
Magisterial District
| Allegheny | | | 0 |
| Hon. Paul Millin | Senior Judge |
Common Pleas
| Warren | | | 0 |
| Hon. Daniel Milliron | Judge |
Common Pleas
| Blair | | 1.2 | 2 |
| Hon. Beth Mills | Judge |
Magisterial District
| Allegheny | | | 0 |
| Hon. Frank Mills | Judge |
Magisterial District
| Clinton | | | 0 |
| Hon. Jeffrey Minehart | Judge |
Common Pleas
| Philadelphia | | | 0 |
| Hon. James Miner | Judge |
Magisterial District
| York | | | 0 |
| Hon. Carmen Minora | Judge |
Common Pleas
| Lackawanna | | | 0 |
| Hon. Jacqueline Mizerock | Judge |
Magisterial District
| Jefferson | | | 0 |
| Hon. Bernard Moore | Judge |
Common Pleas
| Montgomery | | | 0 |
| Hon. Charles Moore | Judge |
Magisterial District
| Westmoreland | | | 0 |
| Hon. William Morgan | Senior Judge |
Common Pleas
| Warren | | | 0 |
| Hon. James Morgan | Judge |
Magisterial District
| York | | | 0 |
| Hon. Royce Morris | Judge |
Common Pleas
| Dauphin | | | 0 |
| Hon. Joseph Morris | Judge |
Magisterial District
| Clearfield | | | 0 |
| Hon. Kathy Morrow | Judge |
Common Pleas
| Perry | | | 0 |
| Hon. Sandra Mazer Moss | Judge |
Common Pleas
| Philadelphia | | | 0 |
| Hon. Dominick Motto | Judge |
Common Pleas
| Lawrence | | 9.9 | 1 |
| Hon. James Motznik | Judge |
Magisterial District
| Allegheny | | | 0 |
| Hon. Margaret A. Bisignani Moyle | Judge |
Common Pleas
| Lackawanna | | | 1 |
| Hon. Shannon Muir | Judge |
Magisterial District
| Pike | | | 0 |
| Hon. Kathleen Mulligan | Judge |
Common Pleas
| Allegheny | | 1.0 | 3 |
| Hon. Kenneth Mummah | Judge |
Common Pleas
| Perry | | | 0 |
| Hon. Hugh Mundy | Senior Judge |
Common Pleas
| Luzerne | | | 0 |
| Hon. Thomas Munley | Judge |
Common Pleas
| Lackawanna | | | 0 |
| Hon. Julia Munley | Judge |
Common Pleas
| Lackawanna | | | 3 |
| Hon. Chester Muroski | Senior Judge |
Common Pleas
| Luzerne | | | 1 |
| Hon. Lois Murphy | Judge |
Common Pleas
| Montgomery | | | 0 |
| Hon. Margaret Theresa Murphy | Judge |
Common Pleas
| Philadelphia | | | 0 |
| Hon. Samuel Murray | Judge |
Common Pleas
| Northampton | | | 0 |
| Hon. Mary Murray | Judge |
Magisterial District
| Allegheny | | | 0 |
| Hon. Michael Musulin | Judge |
Magisterial District
| Cambria | | | 0 |
| Hon. Michael Muth | Judge |
Magisterial District
| Monroe | | | 0 |
| Hon. Linus Myers | Judge |
Magisterial District
| Wayne | | | 0 |
| Hon. Stuart Mylin | Judge |
Magisterial District
| Lancaster | | | 0 |