Correspondents: surnames Moa-Oxl
- John Moat, 1979.
- Dottore Mondell, 1982. Draft by Gascoyne
- Charles Moore, of The Spectator, 1989.
- Bill Morgan, 1983-1986.
- Barbara Moray, 1961-1990.
- Kathleen E. Morgan, 1964-1965.
- Andrew Motion, 2000.
- Carmela Moya, 1980-1987, n.d. With several of her poems.
- Muepu Muamba, 1988. With a poem by her.
- Franz E Muheim, Swiss Ambassador to Great Britain, and L Hurzeler, Swiss Cultural Attache, invitations to lunch and a discussion, 1989.
- Timour Muhidine, 1991.
- Alan Munton, 1978-1998 With a copy of Gascoyne’s short tribute to Edgell Rickword.
- Steve Murphy, 1984-1986.
- Philip Murray, 1984-1988.
- Edward Mycue, 1982.
- Rafael Martinez Nadal, 1984-1992.
- Suzanne Nalbantian, 1984.
- Julian Nangle, 1976-1988.
- R Navarri, 1981-1983.
- Mitchild Nawiasky, of the Association of Psychotherapists, 1969.
- Victor Neuburg, 1983.
- Andrea Neufert, 1990.
- Hubert Nicholson, 1985.
- Virginia Nicholson, 2001.
- Lars-Inge Nilson, 1990.
- Bernard Noël, 1994.
- Monica Norris, [1991], n.d.
- James Nye, 1988-1995. One letter is addressed to ‘John’, but this is probably an error. With photocopies of four letters and a card send by Gascoyne to Nye and a printed book of poems by Nye entitled Supicious Package.
- Ann Goosens Obermer, 1982-2001.
- Sandra O’Connell, 2000.
- Philip O’Connor, 1986-1996. With a draft reply by Gascoyne on the verso of a letter of 1995.
- Paul O’Keeffe, 1991.
- June Opie, 1987.
- Karl Orend, of the Alyscamps Press, 1988-1994.
- Sonia Orwell, 1964
- P. C. Orr, of the British Council, 1967.
- William and Patricia Oxley, [1981]-1991.