John Glynne may refer to:

Sir John Glynne (judge) (1602–1666), lawyer and member of parliament for Caernarvon, Westminster, and Caernarvonshire Sir John Glynne, 6th Baronet (1712–1777), member of parliament for Flintshire and Flint

See also Glynne baronets John Glynn (1722–1779), English lawyer and MP