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title: "Heavyweight Boxing Rankings - May 1968"
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# Heavyweight Boxing Rankings - May 1968

Combined Heavyweight rankings from the WBA, WBC, IBF, WBO, and Ring. Month: May 1968.

| Rank | RING (May 1968) |
| --- | --- |
| Champion | [Muhammad Ali (United States)](https://box-rank.com/boxer/muhammad-ali) - Champion |
| 1 | [Joe Frazier (United States)](https://box-rank.com/boxer/joe-frazier) |
| 2 | [Jerry Quarry (United States)](https://box-rank.com/boxer/jerry-quarry) |
| 3 | [Jimmy Ellis (United States)](https://box-rank.com/boxer/jimmy-ellis) |
| 4 | [Manuel Ramos (Mexico)](https://box-rank.com/boxer/manuel-ramos) |
| 5 | [Thad Spencer (United States)](https://box-rank.com/boxer/thad-spencer) |
| 6 | [Floyd Patterson (United States)](https://box-rank.com/boxer/floyd-patterson) |
| 7 | [Oscar Bonavena (Argentina)](https://box-rank.com/boxer/oscar-bonavena) |
| 8 | [Karl Mildenberger (Germany)](https://box-rank.com/boxer/karl-mildenberger) |
| 9 | [Eduardo Corletti (United Kingdom)](https://box-rank.com/boxer/eduardo-corletti) |
| 10 | [Buster Mathis (United States)](https://box-rank.com/boxer/buster-mathis) |

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