Old Man of the Mountain (disambiguation)

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

Old Man of the Mountain may refer to:

• the Crusaders' designation for the Nizari leaders, in particular:
  • the Nizari leaders of Alamut:
    • Hassan-i Sabbah
    • Ala al-Din Muhammad III
  • Husayn Qa'ini, the Nizari leader in Quhistan
  • Rashid ad-Din Sinan (ca. 1134–1193), the Nizari leader in Syria
• Old Man of the Mountain, former rock formation and New Hampshire landmark
• The Old Man of the Mountain (film), a 1933 Betty Boop cartoon