Name
- Marcellus II, Pope2
- Margaret, Duchess of Parma, governor of the Netherlands, 1522-15862
- Marnix, Philip van, Heer van St Aldegonde, 1538-15982
- Marretti, Lelio, of Siena2
- Martin, William, son of Thomas Martin2
- Martini, Ambrosius, auditor general in the Netherlands2
- Mary I, Queen of England and Ireland, 1516-15582
- Mary of Guise, Queen Consort of James V of Scotland, 1515-15602
- Maynwaringe, Henry, Lieutenant of Dover Castle; of Add MS 481572
- Meetkerke, Adolphe van, President of Flanders al Matkirke2
- Merchants of the Staple2
- Micheli, Giovanni, Venetian ambassador to England2
- Mill, William, Clerk of the Council in Star Chamber2
- Monson, William, Admiral2
- Morton, John, administrator and Archbishop of Canterbury, d 15002
- Nicholas V, Pope2
- Ordnance Office2
- Otto II, Duke of Brunswick-Lüneburg-Harburg2
- Parsons, Robert, SJ2
- Percy, Henry, 8th Earl of Northumberland, c 1532-15852