Jareerat “Baitong” Petsom (Thai: ใบตอง - จรีรัตน์ เพชรสม; born 12 May 1993) is a Thai environmental care advocate and beauty pageant titleholder declared as Miss Earth - Fire at the 21st edition of Miss Earth on 21 November 2021 and later crowned on 24 April 2022.

[a] She earned her bachelor's degree in architecture from the King Mongkut's Institute of Technology Ladkrabang in Bangkok, Thailand.

Petsom represented Thailand on 21 November 2021, at the International pageant of Miss Earth 2021 which was held virtually due to ongoing COVID-19 pandemic.

[3] Petsom ranked fourth at the end of the event and declared as Miss Earth - Fire by the host James Deakin which was unofficially equivalent to 3rd runner-up.

[6] On 29 August 2022, Petsom crowned her successor Spy Chawanphat Kongnim from Lopburi as Miss Earth Thailand 2022 at Grand Hyatt Erawan in Bangkok.