Broad Mountain may refer to:

• Broad Mountain (Lehigh Valley), a barrier ridge in Carbon County and Schuylkill County, Pennsylvania, U.S.
• Broad Mountain in Grundy County, Tennessee, U.S.
• Broad Mountain in Kerr County, Texas, U.S.

• Mortimer, Berkshire
• Mortimer Bern
• Mortimer Caplin
• Mortimer Davis
• Mortimer D. Leggett
• Mortimer Dormer Leggett
• Mortimer Downey
• Mortimer Earle
• Mortimer Elliott
• Mortimer Family
• Mortimer F. Elliott
• Mortimer Fitzland Elliott
• Mortimer Folchart
• Mortimer Jordan High School
• Mortimer, kenneth
• Mortimer Lamson Earle
• Mortimer L. Downey
• Mortimer Louis Anson
• Mortimer L. Schiff
• Mortimer L. Schiff Scout Reservation
• Mortimer, Ohio
• Mortimer Planner
• Mortimer Plumtree
• Mortimer Proctor
• Mortimer Robinson Proctor