- Source: BJK (disambiguation)
BJK or Beşiktaş J.K. is a Turkish sports club.
BJK or bjk may also refer to:
Benjina-Nangasuri Airport, Maluku, Indonesia (IATA code: BJK)
Barok language of New Ireland, PNG (ISO code: bjk)
Big Jock Knew, Scottish football chant
Billie Jean King, American tennis player
USTA Billie Jean King National Tennis Center
