Theodore Penleigh Boyd (15 August 1890 27 November 1923) was an Australian artist. Penleigh Boyd was a member of the Boyd artistic dynasty: his parents Arthur Merric Boyd (1862 1940) and Emma Minnie Boyd (née à Beckett) were well-known artists of the day, and his brothers included Merric Boyd the ceramacist (1888 1959) and the novelist Martin Boyd (1893 1972). His son Robin Boyd (1919 1971) became an famous and influential architect, educator and social commentator, and his nephews Arthur Boyd, Guy Boyd and David Boyd became prominent artists.