Rajamangala National Stadium on Ramkhamhaeng Road in Bangkok is the main stadium inside the Hua Mahk Sports Complex. It is the biggest stadium in Thailand and is administered by the Sports Authority of Thailand (fig.).

It bears the logo of the 1988 Longest Reign Celebrations of King Bhumipon, the event known as Phra Rajaphitthi Ratchamangala Phisek, from which the name of the stadium is derived and for which cause it was built.