- D105 Mackay, Professor J. M and Twemlow, Professor J. A.
- D746 Mackenzie, Professor Ann L
- D694 Mair, Professor Alexander
- D507 May, Dr. Edith
- D463 McCarthy, Professor Kevin: Photographs and papers collected by
- D440 McConnell, Dr Alfred Joseph: Photographs of staff and patients of Toxteth Infirmary
- D142 McGookin, Dr Alexander
- P7242 McKie, Eric
- D968 McLean, Dr K. Robin
- D966 McMurray, Professor T.P.
- D32 McNab, Peter
- D714 McNair, Arnold Duncan; Chairman of the Board of Education Committee
- D89 Malins, Dr Samuel
- D723 McWatters, Keith
- Various deposits Meyer, Professor Kuno
- D384 Miller, Dr Margaret Stevenson
- D183 Miller, Thomas Lodwick
- D160 Minnitt, Dr R. J. and the Minnitt family
- D53, D373 Moore, Professor Benjamin
- D620 Morgan, Dr Bernard G.
- D139 Morton, Professor R. A.
- D498, D818, D224 and D72 Mountford, Professor Sir James
- D80 Muir, Professor Kenneth
- D659 Muspratt Dr Edmund Knowles: Printed address
- D263 Myers, Professor A. R.
- D1016 Okill, Mr. John and of the Okill family.
- A201 Oldroyd, Professor J.G.
- D145, P10, P11, P12 Ormerod, H. A. and Veitch, Professor G. S.: regarding the history of the University
- D328 Owen, Professor J. B. B.
- D947 Owen, John
- A185 Owen, Professor Robert: Department of Orthopaedic and Accident Surgery
Contains the deposited papers of the following staff members: