The 2019–20 Men's Volleyball Thailand League is the 15th season of the Men's Volleyball Thailand League, the top Thai professional league for men's volleyball clubs, since its establishment in 2005, also known as CP Men's Volleyball Thailand League due to the sponsorship deal with Charoen Pokphand.

[1] A total of 8 teams will compete in the league.

The season will begin on 18 January 2019 and is scheduled to conclude in 2019.

This season will be organized by the Thailand Volleyball Association (TVA) instead Thailand Volleyball Co., Ltd.

: players who released during second leg transfer window;: players who registered during second leg transfer window; →: players who left club after registered during first or second leg.