- Mordechai Vanunu House
- 162 Holloway Road, London, Islington, N7 8DQ
- Morlan
- Queens Road, Aberystwyth, SY23 2HH
- Mostyn Street
- Mostyn Street, Llandudno
- Mound Place
- Mound Place, Edinburgh, EH1 2LX
- Museum of Liverpool
- Pier Head, Liverpool, 1DP
- Mycenae House
- 90 Mycenae Road, London
- National Library of Scotland
- 92 Cowgate, Edinburgh, EH1 1JN
- Nationwide
- 16 St Peter's Street, St Albans, AL1 3NA
- NATO Brussels
- Nato, Brussels, Belgium
- New Brighton
- New Brighton, Wallasey