Rumold Mercator (Leuven, 1541 – Duisburg, 31 December 1599[1]) was a cartographer, son of Gerardus Mercator and brother of Arnold Mercator, both also cartographers.
He completed some at the time unfinished projects left after his father's death and added new materials of his own research.
- ^ Heinrich Averdunk: Die Nachkommen des Geographen Heinrich Mercator. Schriften des Duisburger Museumsvereins, Band V. Duisburger Museumsverein, Duisburg 1913, p. 17.