The 17th Arizona Territorial Legislative Assembly was a session of the Arizona Territorial Legislature which convened in Phoenix, Arizona. The session ran from February 13 through April 13, 1893.

Henry Davis Ross was an American jurist and politician. Before his election to the Arizona Supreme Court, he served as county attorney for both Coconino and Yavapai counties as well as a member of the Arizona Territorial Legislature. Following Arizona statehood, he served on the state's highest bench for 33 years and was selected chief justice on six occasions. Ross served the longest tenure in the court's history while his brother, John Wilson Ross, served the shortest.