Lady Bay may refer to:

• Lady Bay, Nottinghamshire
• Lady Bay, South Australia, a former shack site
• Lady Bay, a bay and beach in Watsons Bay, New South Wales
• Lady Bay, a bay and beach in Warrnambool, Victoria

• General Directorate of State Security Service
• General discharge
• General disclaimer
• General district court
• General Dogmeat
• General Douglas MacArthur
• General Dro
• General Duke
• General Dutch Youth League
• General Dwight David Eisenhower
• General Dynamics
• General Dynamics Corp.
• General Dynamics Corporation
• General Dynamics Electric Boat
• General Dynamics F-111 Aardvark
• General Dynamics F-16 Fighting Falcon
• General Dynamics F-16 Fighting Falcon operators
• General Dynamics F-16XL
• General Dynamics Land Systems
• General Dynamics Land Systems–Australia
• Generale Belgian Bank
• General Educational Development
• General Education Development
• General Eisenhower
• General election