Albert Warren Kelsey, Jr. (April 26, 1870 – 1950) was an American architect, who designed in a number of Revivalist styles. He was born in 1870 in St. Louis, Missouri, the son of economist and writer A. Warren Kelsey and novelist Jeanette Garr Washburn. His father had been a close friend of the artist Winslow Homer, and his mother was the daughter of Wisconsin Governor Cadwallader C. Washburn. The family moved to the Chestnut Hill section of Philadelphia, Pennsylvania, where Albert Jr.