The San Chay people (Vietnamese: Người Sán Chay; also called Cao Lan) live in Tuyên Quang Province of the Northeast region of Vietnam, as well as some nearby provinces. They speak a form of Tai languages. Their population was 169,410 in 2009.
They sing sình cồ (love songs) and celebrate the Slếch thlin mảy festival (New Rice festival).
The San Chay have many sayings: