Tản Viên Sơn Thánh (Chữ Hán: 傘圓山聖, 304 BCE - ?

), or Sơn Tinh (山精) is one of The Four Immortals in traditional Vietnamese mythology.

He is the god of Ba Vì mountain range[2] and figures also in the romance of Sơn Tinh - Thủy Tinh ("the God of the Mountain and the God of the Water").

[3] Tản Viên Sơn Thánh was one of the 50 children who followed Lạc Long Quân to the sea, and later returned to the mainland.

He sailed from Thần Phù sea gate (Nam Định) along the Red River to Long Biên citadel, but then he criticized this place for being too bustling and left for Phúc Lộc river, then settled in Tản Viên mountain.