Pattaya Dolphins United Football Club (Thai: สโมสรฟุตบอลพัทยา ดอลฟินส์ ยูไนเต็ด), is a Thai football club based in Chonburi, Thailand. The club is currently playing in the Thai League 3 Eastern region. In 2021, the new owner decided to change the club's name from Pattaya Discovery United F.C. to Pattaya Dolphins United F.C.. Apart from the club's name, the club's logo is also changed. These changes will be applied for the 2021-22 season onward.