Four square (disambiguation)
- 4 Square (TV series)
- 4 Square (game show)
- 4 Square (pinball)
- American Foursquare
- Ariel Square Four
- Euler's four-square identity
- Four Square (Smithfield, Virginia)
- Four Square (cigarette)
- Four Square (supermarket)
- Four Square Laundry
- Four square
- Four square writing method
- Four-square cipher
- Foursquare (company)
- Foursquare Church
- Foursquare City Guide
- Handball (school)
- Jacobi's four-square theorem
- Lagrange's four-square theorem
- Russian four square