The 1974 World Junior Ice Hockey Championships were held in Leningrad, Soviet Union between December 27, 1973 and January 6, 1974. The host Soviet team won the tournament with a perfect 5–0 record. This was the first edition of the IIHF World U20 Championship, but the results are not included in official IIHF records. Canada was represented by a club team, the Peterborough Petes, while the other five nations were represented by teams of their top under-20 players.