Prachuap Khiri Khan Province Stadium (Thai: สนามกีฬากลางจังหวัดประจวบคีรีขันธ์ หรือ สนามกีฬาสามอ่าว) (known as Sam Ao Stadium) is a multi-purpose stadium in Prachuap Khiri Khan Province, Thailand.

It is currently used mostly for football matches and is the home stadium of Prachuap F.C.

The stadium holds 5,000 people.

[1] The Stadium is named after the famous seascape of district, with Prachuap Bay, Manao Bay, and Noii Bay.

Three bay in Thai language pronounce as "Sam Ao" (Thai: สามอ่าว).