John Charlton, 2nd Baron Charlton

John Charlton, 2nd Baron Charlton (c. 1307–1360), was the son of the 1st Baron Charlton and Hawys Gadarn. Before 1319 he married Maud Mortimer, daughter of Roger Mortimer, 1st Earl of March, who bore him his only son, the later 3rd baron.

He campaigned in Gascony during the Hundred Years' War and, like his father, served as Lord Chamberlain. He succeeded his father as Lord Charlton of Powys in 1353 and died in 1360.