Roy D'Arcy (born Roy Francis Giusti; February 10, 1894 – November 15, 1969) was an American film actor of the silent film and early sound period of the 1930s noted for his portrayal of flamboyant villains. He appeared in 50 different films between 1925 and 1939, such as The Temptress in 1926 with actresses such as Greta Garbo. Finishing his film career around the age of 45, D'Arcy retired to his own real estate business. He died in 1969 and was buried at Montecito Memorial Park in Colton, California.

Partial filmography