Turtle Bay may refer to:

• Turtle Bay, Manhattan, a neighborhood in New York City
• Turtle Bay, O'ahu, in the Hawaiian archipelago
• Turtle Bay, Bermuda, bay in Bermuda
• Turtle Bay, U.S. Virgin Islands, bay and beach in U.S. Virgin Islands
• Turtle Bay, Texas, a former area of Galveston Bay now enclosed as Lake Anahuac
• Turtle Bay (album), a 1973 album by Herbie Mann
• Turtle Bay Exploration Park in Redding, California
• Turtle Bay (restaurant), a chain of Caribbean-themed restaurants in the United Kingdom