List of Cadet, Junior, Espoir and U-23 World Champions in men's Greco-Roman wrestling

The age limitations for many of the Cadet and Junior World Championships are no longer easily ascertainable, and in many cases the ages listed below are unverified estimates. There were two Junior World Championships held in 1979 and 1980. In the lists below, champions whose names are colored in gold, silver, or bronze went also won the corresponding senior-level medal at the World Championships or Olympic Games in Greco-Roman wrestling. Champions colored blue also represented their country at the senior level in the World Championships or Olympic Games in Greco-Roman wrestling.

List of Cadet, Junior, Espoir and U-23 World Champions in men's Greco-Roman wrestling

The age limitations for many of the Cadet and Junior World Championships are no longer easily ascertainable, and in many cases the ages listed below are unverified estimates. There were two Junior World Championships held in 1979 and 1980. In the lists below, champions whose names are colored in gold, silver, or bronze went also won the corresponding senior-level medal at the World Championships or Olympic Games in Greco-Roman wrestling. Champions colored blue also represented their country at the senior level in the World Championships or Olympic Games in Greco-Roman wrestling.