The 2018 Women's Volleyball Kor Royal Cup was the latest edition of the Women's Volleyball Kor Royal Cup, the tournament patronized by Princess Maha Chakri Sirindhorn, The Princess Royal of Thailand for women's senior volleyball clubs, also known as 2018 Sealect Tuna Women's Senior Volleyball Kor Royal Cup Thailand Championship due to the sponsorship deal with Sealect Tuna.

A total of 6 teams will compete in the tournament.

[1] All times are Indochina Time (UTC+07:00).

Match won 3–0 or 3–1: 3 match points for the winner, 0 match points for the loser Match won 3–2: 2 match points for the winner, 1 match point for the loser All times are Indochina Time (UTC+07:00).