| Building Name | Building Code | Campus |
| |
| M |
| M Block, Cumberland | C43M | Cumberland |
| M.C. Franklin - Abattoir, Camden | C04C | Camden - Main |
| M.C. Franklin - Laboratory, Camden | C04B | Camden - Main |
| M.C. Franklin - Storage Shed, Camden | C04A | Camden - Main |
| Machinery Store 1, Narrabri | E12J | Narrabri |
| Machinery Store 2, Narrabri | E12H | Narrabri |
| Machinery Store 3, Narrabri | E12G | Narrabri |
| Machinery Store 4, Narrabri | E12I | Narrabri |
| Mackie Building | K01 | Camperdown |
| Macleay Building & Museum | A12 | Camperdown |
| Macquarie Hospital | C23 | No Campus |
| Madsen Building | F09 | Camperdown |
| Main Quadrangle | A14 | Camperdown |
| Mandelbaum House | H67 | Darlington |
| Manning House | A23 | Camperdown |
| Margaret Telfer Building | K07 | Camperdown |
| May Farm - Cottage 2, Camden | C03E | Camden - May & Mt Hunter |
| May Farm - Beef Barn, Camden | C03J | Camden - May & Mt Hunter |
| May Farm - Cattle Handling Facilities, Camden | C03C | Camden - May & Mt Hunter |
| May Farm - Cottage 1, Camden | C03D | Camden - May & Mt Hunter |
| May Farm - Dairy & Bails, Camden | C03B | Camden - May & Mt Hunter |
| May Farm - Demountable Office, Camden | C03F | Camden - May & Mt Hunter |
| May Farm - Large Piggery, Camden | C03G | Camden - May & Mt Hunter |
| May Farm - Machinery Shed, Camden | C03A | Camden - May & Mt Hunter |
| May Farm - Small Piggery, Camden | C03H | Camden - May & Mt Hunter |
| McGarvie Smith, Camden | E06 | Camden - Pye, Wolverton, Coates Park |
| McMaster Annexe | B02 | Camperdown |
| McMaster Annexe Garage | B02A | Camperdown |
| McMaster Annexe Storehouse | B02B | Camperdown |
| McMaster Building | B14 | Camperdown |
| Mechanical Engineering Building | J07 | Darlington |
| Medical Foundation Building | K25 | Camperdown |
| Merewether Building | H04 | Darlington |
| Moore Theological College | CG2 | Camperdown |
| Moree - Livingstone Farm | E29 | No Campus |
| Mt. Hunter Farm - Climate Rooms, Camden | E18D | Camden - May & Mt Hunter |
| Mt. Hunter Farm - Cottage 1, Camden | E18E | Camden - May & Mt Hunter |
| Mt. Hunter Farm - Office & Field Laboratory, Camden | E18A | Camden - May & Mt Hunter |
| Mt. Hunter Farm - Surgery / Animal Hold, Camden | E18C | Camden - May & Mt Hunter |
| Mt. Hunter Farm - Tool Shed & Garage, Camden | E18B | Camden - May & Mt Hunter |
| Mt. Pleasant, Marulan | E30 | No Campus |
| Museum of Contemporary Art, Circular Quay | C38 | No Campus |
