- Martha Clippinger1 wall
- Martha Heavenston1 wall
- Martha Keating1 wall
- Martha Rich2 walls
- Martha Thorn2 walls
- Marthe Bolda1 wall
- Martin Batchelor2 walls
- Martin Charlot1 wall
Martin Ferreyra1 wall
Martin Helm1 wall- Martín José Marcide1 wall
- Martin Krusche1 wall
- Martin Sym Smith1 wall
- Martin Villareal1 wall
- Martin Whatson1 wall
- Martina Sanroman1 wall
Marv1 wall
- Mary1 wall
- Mary Carfagno Ferguson7 walls
- Mary Carfagno Woman's Mural Project2 walls
- Mary Carfagno Women's Mural Project1 wall
- Mary Carter Talb1 wall
- Mary E. Erckenbrack1 wall
- Mary Enoch Elizabeth Baxter, aka Isis Tha Saviour1 wall
- Mary Fedorowski1 wall
- Mary Hamilton1 wall
- Mary Iverson1 wall
- Mary Lynn Dominguez1 wall
- Mary Lynn Mahan1 wall
- Mary Mann3 walls
- Mary Mann Joachims1 wall
- Mary Miller1 wall
- Mary Murph1 wall
- Mary Noel Ellis Hall4 walls
- Mary Rezny1 wall
Mary Sanders2 walls- Mary Scott1 wall
- Mary Whitecloud2 walls
Mary-Linn Hughes2 walls- Maryanna Hoggatt1 wall
- Masaki Hanahara1 wall
- MASER1 wall
Masha Tikhonova1 wall- Mason1 wall
- Mason Schwacke1 wall
Mastrocola1 wall- Mat Tomezsko8 walls
- Matamatanonofo Porter3 walls
- Matasi Lee1 wall
Mateo10 walls- Mateo Pinto1 wall
- Mateu Velasco1 wall
- Mateus Bailon1 wall
- Mathieu Ficheroux1 wall
Mathieu Mary1 wall
Mathieu Potvin1 wallMathilde Vangheluwe1 wall
- Matley Hurd1 wall
- Mats Stromberg2 walls
Matt Bahr1 wall- Matt Bourque1 wall
- Matt Day1 wall
Matt Evans5 walls- Matt F1 wall
Matt Gondek3 walls- Matt Haffner1 wall
- Matt Halm1 wall
- Matt Kress1 wall
Matt Letrs4 walls- Matt Lively2 walls
- Matt Monsoon1 wall
- Matt Schlosky3 walls
- Mattaya Fitts1 wall
- Matteo1 wall
- Matteo De Martin Pinter1 wall
- Matthew "Henbo" Henning1 wall
- Matthew Brass1 wall
- Matthew Dayler1 wall
- Matthew Dicken1 wall
Matthew Evans4 walls- Matthew Halm1 wall
Matthew Hanns Schroeter1 wall- Matthew Hoffman4 walls
- Matthew Jackson1 wall
Matthew Terrell1 wall- Matthew Vidmar1 wall
- Matthew Zaremba1 wall
- Matti Johnson1 wall
- Matty De Vries1 wall
- Maud Dallemagne3 walls
- Maura Lahey1 wall
Maurane Mazars1 wall
- Maureen Walsh2 walls
- Maurice Barraud1 wall
- Maurice Broekhoff2 walls
Maurice Tillieux1 wall
- Mauricio Arenas1 wall
- Mauricio Ramirez4 walls
- Mauricio Ramirez Art1 wall
- Mauricio Trenard8 walls