Volleyball at the 2023 SEA Games took place in Phnom Penh, Cambodia from 3 to 16 May 2023. The 2023 Games featured competitions in four events. The indoor volleyball competition took place at Olympic Complex Indoor Main Hall, and the beach volleyball competitions were held at Chumteav Mao Beach in Sihanoukville.
Indoor volleyball events were held from 3 to 14 May 2023, while beach volleyball events were held from 11 to 16 May 2023.
The tournament featured 8 countries. There were two groups of four teams with round-robin format each. The top two of each group played in the semifinal round. The winners of the semifinal round played for the gold medal and the losers played for the bronze medal.
The tournament featured 8 countries. There were two groups of four teams with round-robin format each. The top two of each group played in the semifinal round. The winners of the semifinal round played for the gold medal and the losers played for the bronze medal.
The tournament featured 9 countries separated into 2 pools with round robin format. Each country had 2 pairs of players playing in a best of 3 set match. The top two of group played in the semifinal round. The winners of the semifinal round played for the gold medal and the losers played for the bronze.
The tournament featured 7 countries separated into 2 pools with round robin format. Each country had 2 pairs of players playing in a best of 3 set match. The top two of group played in the semifinal round. The winners of the semifinal round played for the gold medal and the losers played for the bronze.