Geier may refer to:

• Geier (surname), a surname of German origin (includes a list)
• The Geier Indians, 17th century Native American group

• Mount Geier, Antarctica
• Geier (Tux Alps), Austria

• Der Geier (in English The Vulture), a short story by Franz Kafka
• Marcus Geier, a character in the television show Bones

• Geier (freighter), 1916–1917, a British freighter captured by German navy
• SMS Geier, a German cruiser
• Geier (patrol boat), a German patrol boat
• The FRG Geier, a ship decommissioned in 1976, sold to Greece, and renamed Tyfon
• Geier, the nickname for an experimental German World War II torpedo

• Gayer (surname)
• Geyer (disambiguation)
• Geijer
• All pages with titles containing Geier