Citizen Force, Citizens Forces or Citizens' Defence Force may refer to:

• Citizen Force (South Africa)
  • Citizen Force, a wing of South West African Territorial Force (SWATF)
• Citizens Forces, former name of the Australian Army Reserve; also known as "Citizen Military Forces"

• 'Citizen Force', English name of Fuerza Ciudadana (Colombia) [es], a party that took part in the 2023 Colombian regional and municipal elections
• Citizens' Forces, a political party in Morocco
• Citizen Force Party, Mexican political party between 2002 and 2003
• Citizen Force (Peru), party founded 2019, merged with another party in 2022

• Citizens' Defence Force, former secret anti-insurrection unit set up by British military in Ireland in the early 1920s

• Citizen Air Force
• Civil Air Patrol
• Militia
• National Guard
• People's Defense Force (disambiguation)
• State defense force
• Citizen Soldier (disambiguation)
• Territorial Army (disambiguation)