F2B may refer to:

  • FAI CLASS F2B - Control Line Aerobatic Model Aircraft.
  • Boeing F2B, an aircraft
  • Fade to Black (video game)
  • First two blocks, in speedcubing
  • Bristol F.2 Fighter, a Great War British aircraft
  • Mitsubishi F-2, a Japanese fighter aircraft

<!-- Long comment to avoid being listed on short pages -->