Leyser

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


 * Polykarp Leyser (disambiguation), multiple people
 * Ottoline Leyser (born 1965), British plant biologist
 * Henrietta Leyser (born 1941), English historian
 * Karl Leyser (1920–1992), German-born British historian, husband of Henrietta and father of Ottoline