2023 IHF Men's U21 Handball World Championship

The 2023 IHF Men's U21 Handball World Championship was the 24th edition of the IHF Men's U21 Handball World Championship, held in Germany and Greece under the aegis of the International Handball Federation (IHF) from 20 June to 2 July 2023. It was the second time in history that the championship will be jointly organised by two countries, the first being in 1979.

Germany won their third title after defeating Hungary in the final.

Bidding process
Two nations entered bid for hosting the tournament:

Croatia later withdrew their bid. The tournament was awarded to Germany by IHF Council in its meeting held in Cairo, Egypt on 28 February 2020.

In May/June 2021, the Hellenic Handball Federation approached to German Handball Association with request to co-host the 2023 Men's Junior World Handball Championship due to the cancellation of the 2021 Men's Youth World Handball Championship, which was supposed to be hosted by Greece. On 15 July 2021, the IHF Council unanimously approved the request from Germany and Greece to co-host the event.

Qualification

 * Greenland replaced Guinea, who withdrew before the tournament, after Mexico declined the invitation.

Draw
The draw took place on 17 January 2023 in Katowice.

Referees
The referee pairs were selected on 8 May 2023.

Preliminary round
Times in Germany are UTC+2, in Greece UTC+3.

President's Cup
Points obtained in the matches against the team from the group are taken over.

Main round
Points obtained in the matches against the team from the group are taken over.

Bracket
Championship bracket

5–8th place bracket

Top goalscorers
Source: IHF

Top goalkeepers
Source: IHF

Awards
The All-star Team was announced on 2 July 2023.