The men's hammer throw at the 2024 World Athletics U20 Championships was held at the Estadio Atlético de la VIDENA in Lima, Peru on 27 and 29 August 2024.

U20 standing records prior to the 2024 World Athletics U20 Championships were as follows:[1] The qualification round is scheduled to take place on 27 August, in two groups, with Group A scheduled to start at 09:00 and Group B at 10:20.

Athletes attaining a mark of at least 73.00 metres (Q) or at least the 12 best performers (q) qualified for the final.

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