Brian Pillman 

(Inaugural-12/25/91)

Defeated Richard Morton in the finals of a tournament to crown the first champion on 10/27/91 at Halloween Havoc.

Jushin Liger 

(12/25/91-2/8/92)

Defeated Brian Pillman in The Omni. Title was unified with the IWGP Junior Heavyweight Championship when Liger defeated Norio Hanaga in Sapporo, Japan.