John Smaragd

John Smaragd
Ispán of Bács
Reign1291
PredecessorPaul Gutkeled (1272)
SuccessorUgrin Csák (c. 1301)
Diedafter 1310
Noble familygens Smaragd
Spouse(s)N Báncsa (?)
FatherAynard

John from the kindred Smaragd (Hungarian: Smaragd nembeli János; died after 1310) was a Hungarian nobleman at the turn of the 13th and 14th centuries, who served as ispán of Bács County in 1291. He led an unsuccessful Serbian invasion against Upper Syrmia in 1309–1310.