- Manchester Craftsmen's Guild & MCG Jazz
- 1815 Metropolitan Street, Pittsburgh, PA, 15233
- Manor Theatre
- 1729 Murray Avenue, Pittsburgh, PA, 15217
- Manos Gallery
- 320 East 5th Avenue, Tarentum, PA, 15084
- Market Square
- Market Square, Pittsburgh, PA, 15222
- Mattress Factory
- 500 Sampsonia Way, Pittsburgh, PA, 15212
- McBride Park
- 1785 McBride Street, Pittsburgh, PA, 15207
- McCormick - McCue Mansion
- 417 Coyle Curtin Road, Monongahela, PA
- McGinnis Sisters Special Food Store (Monroeville)
- 4311 Northern Pike, Monroeville, PA, 15146
- Meadowcroft Museum Of Rural Life
- 401 Meadowcroft Road, Avella, PA, 15312
- Mellon Park
- 6300 Fifth Avenue, Pittsburgh, PA, 15232