Lock Davidson (February 28, 1884 – September 1963) was a six-term mayor of Melbourne, Florida from 1936 to 1942.He was born in Sedgwick, Kansas on February 28, 1884, the son of Charles Lock Davidson and May Louise Throckmorton Davidson.He served as president and treasurer of Melbourne-Tillman Drainage District, and was manager of Melbourne Farms. He office was located in the Melbourne Arcade Building.