Sieler

Sieler is a German surname.

Notable people with this surname include:
 * Alan Sieler (born 1948), Australian cricketer
 * Cynthia Sieler, former name of Cynthia Doerner (born 1951), Australian tennis player
 * Ernst Sieler (1893–1983), German general
 * Zach Sieler (born 1995), American footballer