The BJW Junior Heavyweight Championship is a title defended in the Japanese professional wrestling promotion Big Japan Pro Wrestling (BJW).

The title is distinct from the previous BJW Junior Heavyweight Championship that was established in 1998 and was retired in 2002.

Wrestlers over the weight limit will be eligible to challenge for the BJW World Strong Heavyweight Championship.

[2] There have been a total of eleven reigns shared between ten different champions.

The round-robin league began on May 25, 2017, and ran all the way through to the decision match, between the top two, on the July 17 show at Ryōgoku Kokugikan.