The term Aircraft design can have many different meanings:

• An aircraft design as defined by type definition documentation, such as a type certificate for certified aircraft and as legally defined by the appropriate Airworthiness certificate, including a Standard Airworthiness Certificate for certified aircraft or a Special Airworthiness Certificate for other non-certified aircraft types.
• Aircraft design process, the process of creating an individual aircraft design.
• Aircraft Designs, an aircraft design and manufacturing firm based in Monterey, California, United States.
• Aircraft designer, the person, or team of people, who design aircraft. See also Category:Aviation inventors and Category:Aerospace engineers by nationality