The Chang Thailand Senior Masters was a men's senior (over 50) professional golf tournament on the European Senior Tour, held at the Royal Gems Golf Club, Thanyaburi, north-east of Bangkok, Thailand.

It was held just once, in March 2010, and was won by Boonchu Ruangkit who finished 11 strokes ahead of the field.

[1] The total prize fund was $400,000 with the winner receiving $60,000.