Bong Ti (Thai: บ้องตี้, pronounced [bɔ̂ŋ tîː]) is a village and tambon (subdistrict) of Sai Yok District, in Kanchanaburi Province, Thailand.

Bong Ti Subdistrict is in the mountainous area of the Tenasserim Hills, close to the border with Myanmar.

There is a tarmac road connecting with Sinbyudaing in Myanmar at the western end of the subdistrict.

In 2015, sound from the meteor was reported in three districts of Kanchanaburi Province: Thong Pha Phum, Sai Yok, and Si Sawat.

[4] The Governor of Kanchanaburi Province, Wan-chai Osukhonthip, ordered police and Sai Yok National Park rangers to search Wang Krachae and Bong Ti subdistricts in Sai Yok District for meteor debris.