Green Mountain or Green Mountains may refer to:

• Green Mountain, the main peak on Ascension Island
• Green Mountain (Libya) (Jebel Akhdar), a forested upland area in Cyrenaica in eastern Libya
• Green Mountain (Oman), (Jebel Akhdar), part of the Al Hajar mountain range in Oman
• Green Mountain (Boulder, Colorado), a mountain in Boulder, Colorado
• Green Mountain (Lakewood, Colorado), a mountain in the western suburbs of Denver
• Green Mountain (Kenosha Mountains), a mountain in the Pike National Forest of Jefferson County, Colorado
• Green Mountain (King County, Washington), a mountain near Mount Si
• Green Mountain (Kitsap County, Washington), a mountain on the Kitsap Peninsula in Western Washington
• Green Mountain (Snohomish County, Washington), a mountain in the Cascade Mountains of Washington
• A nickname of Mount Carmel (ההר הירוק)
• Green Mountains, the range of mountains in the middle of Vermont

• Green Mountain, New Brunswick, a rural community in York County, New Brunswick, Canada
• Green Mountain Falls, Colorado, U.S.
• Green Mountain, Iowa, U.S.
• Green Mountain, North Carolina, U.S.
• Zielona Góra, Poland

• Green Mountain College, a former private liberal arts college in Poultney, Vermont
• Green Mountain High School, in Lakewood, Colorado
• Green Mountain Lake, a lake in Minnesota
• Green Mountain line, a light rail line in Taiwan
• Green Mountain Railroad, a railroad operating in Vermont
• Green Mountain Reservoir, in Colorado along the Blue River

• Green Mountains
• Green Mountain Coffee, a brand of coffee
• All pages with titles beginning with Green Mountain
• Mountain Green, Utah
• Monte Verde, an archaeological site in southern Chile
• Monteverde (disambiguation)