Peerapat Notchaiya (Thai: พีระพัฒน์ โน๊ตชัยยา, RTGS: Phiraphat Notchaiya, pronounced [pʰīː.rā.pʰát nóːt.t͡ɕʰāj.jāː]; born 4 February 1993) is a Thai professional footballer who plays as a left back for Thai League 1 club Bangkok United and the Thailand national team.