Michael Sadler may refer to:
Michael Thomas Sadler (1780–1835), radical British Tory Member of Parliament Michael Sadler (educationist) (1861–1943), British historian, educationalist and university administrator Michael Sadler, Welsh-born musician, best known for his work with the band Saga Mike Sadler (1920–2024), British army officer
See also Michael Sadleir (1888–1957), British publisher, novelist, book collector and bibliographer, born Sadler