Sireethorn Leearamwat (Thai: สิรีธร ลีห์อร่ามวัฒน์; RTGS: Sirithon Li-aramwat) is a Thai beauty pageant titleholder who won Miss International 2019.

She attended Mahidol University, where she graduated with a Bachelor of Pharmacy degree.

[5][6][7] Leearamwat competed in and won Miss International 2019 on 12 November 2019, in Tokyo, against 83 other competitors.

She was crowned by the outgoing titleholder Mariem Velazco of Venezuela.

Leearamwat became the first Thai woman to win Miss International, and the first since Bui Simon who won Miss Universe 1988, to win one of the Big Four international beauty pageants.