Old Man of the Mountain (disambiguation)

Old Man of the Mountain may refer to:

• Rashid ad-Din Sinan, Ismaili leader of the Nizari religious sect during the Third Crusade
• Old Man of the Mountain, former rock formation and New Hampshire landmark
• The Old Man of the Mountain (film), a 1933 Betty Boop cartoon

In lowercase, an old-man-of-the-mountain (or old man of the mountain) or an old-man-of-the-mountains may refer to:

• Tetraneuris grandiflora, an alpine sunflower in North America
• Oreocereus, a genus of cacti in South America