Keyl

Keyl is a surname. Notable people with the surname include:


 * Bernhard Keil or Keyl (1624–1687), Danish Baroque painter
 * Ernst G. W. Keyl (1804–1872), German-American Lutheran minister
 * Frederick William Keyl (1823–1871), German-British painter
 * Julius Keyl (1877–1959), German athlete and gymnast