The Loughead Aircraft Manufacturing Company was an American company which designed and built aircraft. The founder, Allan Lockheed, went on to form the similarly named but otherwise unrelated Lockheed Aircraft Company in 1926, which would merge with Martin Marietta in 1995 to form today's Lockheed Martin.

Allan Haines Lockheed was an American aviation engineer and businessman. He formed the Alco Hydro-Aeroplane Company along with his brother, Malcolm Loughead, which became Lockheed Corporation.