| Ramon Magsaysay High School | |
| Established: | 1959 |
| Motto: | Uphold the Culture of Excellence |
| Principal: | Mr. Robert P. Velasquez |
| Coordinates: | 14.6111°N 120.9931°W |
| Grades: | 7 to 10 |
| Students: | approx. 7000 |
| Type: | Public, Special Science |
| Nickname: | RMHS, Monsay |
| Publication: | 'Blue and White' (English) 'Ang Silahis' (Filipino) |
| Medium Of Language: | English, Filipino, Spanish (elective) |
Ramon Magsaysay High School (RMHS) is a high school in Manila, Philippines. It was founded as the Governor Forbes annex of V. Mapa High School in 1952. In 1958 it was renamed Gov Forbes High School, in honor of former Philippine governor general William Cameron Forbes. Finally in 1959, it was renamed Ramon Magsaysay High School, in honor of former Philippine president Ramon Magsaysay.
Ten principals in turn have led the school: