Surmo Valley (Urduوادی سرمو) is a valley in the Ghangche District in Gilgit–Baltistan, Pakistan. Etymologically, the name is derived from sermo: ser means gold and mo feminises the word.

Surmo is approximately 12 kilometres (7.5 mi) from the district administrative capital of Khaplu. Its neighborhoods are Choghogrong, Tarkari, Khar, Gond, Langkhung, Tishari, and Ghazi-Thang. It is adjacent to the Shiok River.

Surmo is one of the oldest valleys in Baltistan and contains 150-year-old walnut trees. In 1996, stupas were found here. Local people call this place Rgyalmo Khar (a queen's palace) as it had been a rich village.