洛矶山国家公园是美国的一个国家公园，位于科罗拉多州的中北部。落矶山国家公园特色为壮丽的山脉风景、多样的生物与多样的气候及天然环境（从森林到高山冻土层）。

For the park in Manitoba, see Riding Mountain National Park.

Rocky Mountain National Park is a national park located in the Front Range of the Rocky Mountains, in the north-central region of the U.S. state of Colorado. It features majestic mountain views, mountain lakes, a variety of wildlife, varied climates and environments—from wooded forests to mountain tundra—and easy access to back-country trails and campsites. The park is located northwest of Boulder, Colorado, and includes the Continental Divide and the headwaters of the Colorado River.