| # | Wrestler | Date | Place | Special Note |
| 1 | Johnny DeFazio | 1967 | ||
| 2 | Jackie Nicholas | |||
| 3 | Johnny DeFazio(2) | |||
| 4 | Jackie Nicholas(2) | |||
| 5 | Johnny DeFazio(3) | 1 | ||
| 6 | Johnny DeFazio(4) | 2 | ||
| 7 | Carlos Jose Estrada | January 20, 1978 | Uniondale, New York | 3 |
| 8 | Tatsumi Fujinami | January 23, 1978 | New York City, New York | |
| 9 | Ryuma Go | October 2, 1979 | Osaka, Japan | |
| 10 | Tatsumi Fujinami(2) | October 4, 1979 | Tokyo, Japan | 4 |
| 11 | Tiger Mask(Satoru Sayama) | January 1, 2980 | Tokyo, Japan | 5 |
| 12 | Black Tiger(Mark Rocco) | May 6,1982 | Fukuoka, Japan | 6 |
| 13 | Tiger Mask(2) | May 26, 1982 | Osaka, Japan | 7 |
| 14 | Tiger Mask(3) | June 13, 1983 | Mexico City, Mexico | 8 |
| 15 | Dynamite Kid | February 7, 1984 | Tokyo, Japan | 9 |
| 16 | The Cobra | December 28, 1984 | New York City, New York | 10 |
| 17 | Hiro Saito | May 20, 1985 | Hiroshima, Japan | |
| 18 | The Cobra(2) | July 28, 1985 | Osaka, Japan | 11 |
| 19 | Naoki Sano | December 12, 1991 | Tokyo, Japan | 12 |
Notes:
1.All of Jackie Nicholas' title wins took place somewhere in New England.
2. Johnny Defazzio vacated the title in 1972 upon retirement.
3. Carlos Jose Estrada defeated Tony Garea for the title.
4. Tatsumi Fujinami defeated NWA World Junior Heavyweight Champion, Les Thorton, on July 31, 1981 in Osaka, Japan, the NWA title was not on the line in the match. The title is then vacated in December of 1981 when Fujinami entered the heavyweight division.
5. Tiger Mask (Saturo Sayama) defeated Dynamite Kid for the title. Then vacated the title in April of 1982 due to an injury.
6. Black Tiger (Mark Rocco) defeated Gran Hamada for the title.
7. The title was vacated on April 3, 1983 after Tiger Mask was injured by the Dynamite Kid in a tag team match on April 1, 1983. On April 3, 1983, Dynamite Kid and Kuniaki Kobyashi fought for the title and no winner was declared.
8. Tiger Mask defeated Fishman for the title. Then he vacated the title on August 12, 1983 when Tiger Mask retired.
9. Dynamite Kid wins a triangular match by defeating Davey Boy Smith for the title on February 3, 1984 in Sapporo, Japan and the Cobra on February 7, 1984. He vacated the title in November of 1984 when he and Davey Boy Smith jumped to All-Japan wrestling. The WWF took over Georgia Championship Wrestling in July of 1984, NWA champion Les Thorton was wrestling as the WWF champion.
10. The Cobra defeated Black Tiger.
11. The title was vacated on October 31, 1985 when New Japan and the WWF split. Shiro Koshinaka defeated the Cobra on February 6, 1986 in Tokyo, Japan to become the firstr IWGP Junior Heavyweight champion.
12. Naoki Sano defeated Rick Martel on a Super World Sports card. The title was then abandoned when SWS closed its promotion in June of 1992. This may not have direct lineage to the WWF title.
