title: 3J
text: # 3J
  
  3J may refer to:
  
  * 3J (Family Matters), a character on Family Matters
  * 3j symbol or the Wigner 3-jm symbols, symbols in quantum mechanics
  * Zip (airline)'s IATA code
  * Jubba Airways's IATA code
  * $^3J,$ a type of J-coupling involving 3 bonds in nuclear magnetic resonance
  