The 2018 Men's U23 Pan-American Volleyball Cup was the fourth edition of the bi-annual men's volleyball tournament, played by five countries from 15 to 20 October at the Domo Polideportivo in Guatemala City, Guatemala.

[1] Cuba Guatemala Mexico Nicaragua Peru Match won 3–0: 5 points for the winner, 0 point for the loser Match won 3–1: 4 points for the winner, 1 points for the loser Match won 3–2: 3 points for the winner, 2 points for the loser The first criterion is the number of matches won, second criterion is points gained by the team In case of tie, the teams were classified according to the following criteria: points ratio and sets ratio[2] The competition format for the 2018 Men's U23 Pan-American Volleyball Cup consists of two phases, the first is a round robin round between all five competing nations.

After the round robin finishes, 3rd and 4th place nations according to ranking will play for the bronze and 1st and 2nd place nations according to ranking will play for the gold.

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