John I, Marquis of Namur

John I (1267 – 31 January 1330) was the count of Namur from 1305 to 1330. He was a member of the House of Dampierre, the son of Guy of Dampierre, Count of Flanders and Marquis of Namur, and his second wife Isabelle of Luxembourg.

Coin of John I, Marquis of Namur