Siller is a surname. Notable people with the surname include:
Esteban Siller (1931–2013), Mexican voice actor Eugenio Siller (born 1981), Mexican actor, singer, and model Jerónimo Siller (1880–1962), Mexican inventor, politician and military man Morag Siller (1969–2016), Scottish actress, voice artist, and radio personality Raymond Siller (born 1939), American television writer and political consultant Sebastian Siller (born 1989), Austrian footballer
See also Sillers