NWA World Junior Heavyweight Championship

Defeated Austin Aries, Colby Corino and Darius Lockhart in a 4-Way Match to win the vacant title.

The title was vacated after NWA terminated its contracts with its licensees. NWA was then purchased by Billy Corgan's Lightning One Inc. company and gradually transforms into a stand-alone wrestling promotion.

Defeated Matt Conard and Zac Vincent in a 3-way tournament final to win the vacant titlel.

Kevin Douglas was stripped of the title for no-showing a scheduled title defense against Chase Owens. A one-night tournament was held in Kingsport, TN in lieu of the Douglas-Owens match.

Defeated Chase Owens in a tournament final to win the vacant title.

Craig Classic relinquished the title in protest of The Sheik being stripped of the NWA World Heavyweight Championship. Classic then brought his own unofficial version of the title to Pro Wrestling Zero1, which is referred as the "New Wrestling Alliance World Junior Heavyweight Championship".

Kozina was awarded the title by NWA officials after Rockford's victory over him was reversed.

Defeated Chris Hero (who was serving as a replacement for Logan Caine) to win the vacant title.

The title was vacated after Logan Caine failed to appear for a title defense against Vince Kaplack.

Defeated Viper in a tournament final to win the vacant title.

The title was vacated when the J-Crown was dissolved upon the request of WWF. All of the component titles were returned to their home promotions.

During this reign, the title becomes part of the NJPW's J-Crown (together with other 7 junior titles). Sasuke won a tournament to decide the first holder of the J-Crown.

Defeated El Hijo del Santo in a tournament final to win the revived title.

This reign is recognized by NWA but not Pro Wrestling Zero1 as part of their NWA World Junior Heavyweight Championship history.

This reign is recognized by NWA but not Pro Wrestling Zero1 as part of their NWA World Junior Heavyweight Championship history.

This reign is recognized by NWA but not Pro Wrestling Zero1 as part of their NWA World Junior Heavyweight Championship history.

USA Championship Wrestling closed in October 1988; Royal later founded Atlantic Coast Wrestling and continued to bill himself as world junior champion.

Defeated Denny Brown to win the vacant title;. Royal takes the title to Knoxville, TN's USA Championship Wrestling promotion in May 1988. Masanobu Fuchi, AJPW reigning World Junior Heavyweight Champion, received disputed recognition as the new c1987-10-16hampion; however, Royal continued promoting the title until 1989, when it was abandoned.

The title was vacated after Lazor Tron left JCP.

Tron previously unofficialy won a disputed version of the title under the ring name Hector Guerrero.

Brown previously unofficialy won a disputed version of the title at Starrcade '84. He received official recognition as champion by NWA vice president Shohei Baba, promoter of AJPW, on August 1 after NJPW, which had controlled the title since 1982, withdrew from NWA.

The title was vacated after NJPW, the promotion which The Cobra performed for, pulled out of NWA.

Defeated Davey Boy Smith to win the vacant title. During this reign, Les Thornton was recognized by some promoters in the USA as champion due to The Cobra working for WWF. On 1943-11-14, GCW announced that Les Thornton won a fictitious tournament to become champion (unofficial). Then, on 1984-06-02, American promoters vacated their version of the title after Les Thornton joined WWF; Thornton continued to bill himself as champion, defending the title on WWF events as the "WWF Lt. Hvywt Championship". Then, on 1984-07-13, JCP announced that Hector Guerrero won a fictitious tournament to become champion (unofficial). Then, on 1984-10-02, Mike Davis defeated Guerrero to win this unofficial version of the title; then, on 1984-11-22, Denny Brown defeated Davis to win this unofficial version of the title.

The title was vacated after Tiger Mask retired.

Defeated Kuniaki Kobayashi to win the vacant title.

The title was vacated after Tiger Mask suffered an injury.

In 1983, some North American promoters declared the title vacant due to Tiger Mask wrestling for WWF, which was not a member of NWA; however, during the annual NWA convention, the NWA announced that Tiger Mask was still recognized as the official champion and ordered its territories to recognize him as champion.

Thornton won the title by forfeit after Ron Starr failed to appear for the match.

Defeated Les Thornton to win the vacant title. After his victory, Starr received recognition from NWA as champion over international unofficial champion Steve Keirn.

Nelson Royal vacated the title upon retiring from wrestling. During this vacancy, on 1979-12-10, Steve Keirn defeated Chavo Guerrero in the final of a tournament (promoted by Hollywood Wrestling) to seemingly win the vacant title, but NWA did not recognize Keirn as champion; Keirn received recognition from the NWA territories CWF, HW and NJPW, and this unofficial version was later renamed the NWA International Junior Heavyweight Championship.

Defeated Nelson Royal in a tournament final to win the vacant title.

Danny Hodge vacated the title after being injured in a car accident.

During this reign, on 1974-09-17, Wrestling Pro unofficialy won the title in a GCCW House show (he was only recognized as champion in the Alabama territory); then, on 1974-11-05, Ken Mantell unofficialy won it back in another GCCW House show.

Some sources list this match as taking place on 1970-09-14 in Shreveport, LA.

Defeated Fred Blassie to win the vacant title.

The title was vacated after Mike Clancy defeated Jackie Fargo via disqualification.

Defeated Fred Blassie to win the vacant title.

The title was vacated after the match between Freddie Blassie and Mike Clancy ended with a controversial finish.

McShain unified the Los Angeles version of the title into the NWA title, defeating Rito Romero on 1952-05-25 in Los Angeles, CA. Whitey Whittler then defeated McShain via disqualification on 1952-10-17 in Oklahoma City, OK to claim a disputed unoffical version of the title; then also Red Berry defeated McShain via disqualification on 1952-11-11 in Dallas, TX to claim the disputed unofficial version of the title. McShain then defeated Whittler on 1952-11-14 in Oklahoma City, OK and Berry on 1952-11-27 in Galveston, TX to end their respective claims.

Defeated Sonny Myers in a tournament final to win the vacant title.

The title was vacated after Leroy McGuirk retired due to being blinded in a car accident.

McGuirk previously defeated John Swenski on 1939-06-19 in California to win a version of the title; he was then recognized as junior heavyweight champion by NWA during its 1949 Convention. McGuirk later defeats Billy Goelz to unify the Iowa version of the NWA World Junior Heavyweight Championship into both the mainline NWA and National Wrestling Association's World Junior Heavyweight Championships.

NWA withdrew its recognition of Goelz as champion on 1949-11-25.

During this reign, NWA was officially formed as a wrestling governing body, with the title becoming property of the alliance and expanding out of Iowa.

Fenelon was awarded the title by Paul "Pinkie" George, founder of the Iowa-based local NWA promotion.