The 2020–21 Men's Volleyball Thailand League is the 16th season of the Men's Volleyball Thailand League, the top Thai professional league for men's volleyball clubs. It was established in 2005 and is also known as Daikin Men's Volleyball Thailand League due to the sponsorship deal with Daikin. A total of eight teams will compete in the league. The season began on 12 November 2020 and is scheduled to conclude in 2021. This season will be organized by the Thailand Volleyball Association (TVA) instead Thailand Volleyball Co.,Ltd. COVID-19 has spread to Thailand which affects the sporting seasons.