Sides is a surname. Notable people with the surname include:
Christie Sides (born 1977), American basketball head coach
Doug Sides (born 1942), American jazz drummer
Francis Sides (1913–1943), Australian cricketer
Hampton Sides (born 1962), American historian, writer and journalist
Jeremy Sides, American scuba diver and civilian crime investigator
John H. Sides (1904–1978), United States Navy admiral
John M. Sides, American political scientist
Marilyn Sides, American writer
Shawn Sides, American voice actress