Bäcker or Baecker is a German surname meaning "baker". Notable people with the surname include:

• Fabian Bäcker (born 1990), German footballer
• Pär Bäcker (born 1982), Swedish ice hockey player
• Ronald Baecker (born 1942), computer scientist
• Rudolf Bäcker (1914–2005), German combat medic during World War II

• Backer
• Baker (surname)