William Glynne

William Glynne may refer to:
 * William Glynne (MP) (1566–1620), MP for Anglesey, 1593
 * Sir William Glynne, 1st Baronet (1638–1690), MP for Carnarvon, 1660
 * Sir William Glynne, 2nd Baronet (1663–1721), MP for Oxford University, 1698–1700, and Woodstock, 1702–1705
 * Sir William Glynne, 5th Baronet (c. 1710–1730)
 * William Glynne Charles Gladstone (1885–1915), Liberal Party politician
 * William Glyn (bishop) (1504–1558), bishop of Bangor
 * William Glynne (priest), Welsh Anglican priest