Rocky Mountain High School (RMHS, Rocky) is a public high school in Fort Collins, Colorado, United States.

Its colors are cardinal red and gold and its mascot is the lobo, or wolf.

The school serves roughly 2000 students, mostly from south, west, and central Fort Collins.

Rocky Mountain High School opened at its current location in 1973 and was expanded in 1994.

In 1994 to 1995, the school's campus was redesigned to make one large building from the original three separate ones.