Teerasak Poeiphimai (, born 21 September 2002) is a Thai professional footballer who plays as a striker for Thai League 1 club Port and the Thailand national team.
On 15 October 2021, Teerasak was called up to the Thailand U23 national team for the 2022 AFC U-23 Asian Cup qualification. In February 2022, Teerasak represented Thailand U23 at the 2022 AFF U-23 Youth Championship in Cambodia. He scored his first international goal on 16 February 2022 against Singapore.