The Laramie Mountains are shown highlighted on a map of the western United States

The Laramie Mountains are a range of moderately high peaks on the eastern edge of the Rocky Mountains in the state of Wyoming in the United States. The range is the northernmost extension of the line of the ranges along the eastern side of the Rockies, an in particular of the higher peaks of the Front Range directly to the south. North of the range, the gap between the Laramies and the Bighorn Mountains provided the route for historical trails, such as the Oregon Trail, the Mormon Trail, and the Pony Express.

The mountains extend northward from southeastern Wyoming between Cheyenne and Laramie, to Casper. They are named after the Laramie River, which cuts through the range from southwest to northeast and joins the North Platte River east of the range in eastern Wyoming. The mountains in turn give their name to the Laramide orogeny, the uplift of the of North American Plate approximately 70 million years ago that created the present Rocky Mountains.

The range is prominently visible from Interstate 25 between Casper and Cheyenne.