La Salle Green Hills ("LSGH") is a private Catholic school run by the Philippine District of the Institute of the Brothers of the Christian Schools in Ortigas Avenue, Mandaluyong, Metro Manila, Philippines. It was established in 1959 by the De La Salle Brothers led by Brother H. Gabriel Connon, FSC primarily to provide more slots to students wishing to avail of the then very popular De La Salle primary education offered in Taft Avenue, Manila.

Mandaluyong, officially the City of Mandaluyong, is a first class highly urbanized city in the National Capital Region of the Philippines. According to the 2020 census, it has a population of 425,758 people.