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| North American Wrestling Alliance | ( | 1959-10 | ~ | 1961 | ) |
| Worldwide Wrestling Associates | ( | 1961 | ~ | 1968-12-11 | ) |

| Edouard Carpentier | 1959-10 | |
| Officially recognized as the world champion by NAWA for being the top contender who has met the most title claimants, including the NWA world champion Lou Thesz whom Carpentier has defeated on 57-06-14 in Chicago, IL. | ||
| Fred Blassie | 1961-06-12 | Los Angeles, CA |
| Wins when doctor rules Carpentier is unable to continue in 3rd fall; NAWA is renamed WWA in 61; continues be billed as NAWA title in San Bernardino, CA until 64. | ||
| Rikidōzan | 1962-03-28 | Los Angeles, CA |
| Defeats Blassie again 62-04-13 in Tōkyō, JPN; however, Blassie is again recognized as champion in California on 62-06-04 when NAWA "reviewed his complaints and returned his crown Monday" (Independent, Long Beach, CA, 62-06-05); Rikidōzan continues to hold the title in Japan. | ||
| Fred Blassie [2] | 1962-07-25 | Los Angeles, CA |
| Awarded as the winner due to Rikidōzan's eye injury in a "unification" match between WWA and NAWA champions. | ||
| The Destroyer | 1962-07-27 | San Diego, CA |
| Fred Blassie [3] | 1963-05-10 | Los Angeles, CA |
| Bearcat Wright | 1963-08-23 | Los Angeles, CA |
| Wins by countout. | ||
| Edouard Carpentier [2] | 1963-12-16 | Indio, CA |
| Wins by forfeit after Wright no-shows scheduled defence. | ||
| Fred Blassie [4] | 1964-01-30 | Los Angeles, CA |
| Dick the Bruiser | 1964-04-22 | Los Angeles, CA |
| The Destroyer [2] | 1964-07-22 | Los Angeles, CA |
| Bob Ellis | 1964-09-10 | Los Angeles, CA |
| The Destroyer [3] | 1964-11-13 | San Diego, CA |
| Loses to Toyonobori on 64-12-04 in Tōkyō, JPN but returns to California as champion. | ||
| Pedro Morales | 1965-03-12 | Los Angeles, CA |
| Luke Graham | 1965-07-23 | Los Angeles, CA |
| Toyonobori defeats Graham by DQ in a unification match on 65-09-08 in Los Angeles, CA, but the title is returned to Graham due to DQ; Graham defeats Toyonobori on 65-09-20 in Los Angeles, CA. | ||
| Pedro Morales [2] | 1965-10-17 | Los Angeles, CA |
| Buddy Austin | 1966-08-05 | Los Angeles, CA |
| Bobo Brazil | 1966-09-02 | Los Angeles, CA |
| Wins on cuts. | ||
| Buddy Austin [2] | 1966-09-16 | Los Angeles, CA |
| Lou Thesz | 1966-10-14 | Los Angeles, CA |
| Mark Lewin | 1966-10-28 | Los Angeles, CA |
| Kim Il (Ōki Kintaro) | 1967-04-29 | Seoul, KOR |
| Or 67-05-09 as listed on "Wrestling Title Histories". | ||
| Mike DiBiase | 1967-07-14 | Los Angeles, CA |
| Buddy Austin [3] | 1967-08-25 | Los Angeles, CA |
| Bobo Brazil [2] | 1968-01-12 | Los Angeles, CA |
| WWA joins NWA in 68-10; Brazil retires the title on 68-12-11 in order to challenge the NWA champion Gene Kiniski; Brazil and Kiniski wrestle to a draw on 68-12-18 in Los Angeles, CA. | ||
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* See also the South Korea version.
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