Solomon Frank (January 5, 1900 – October 21, 1982) was an American–Canadian Orthodox rabbi, speaker, and civic and community leader. He served as rabbinic leader of Shaarey Zedek Synagogue of Winnipeg, Canada, from 1926 to 1947, and spiritual leader of the Spanish and Portuguese Synagogue of Montreal from 1947 until his death. Active in interfaith affairs, he was also a chaplain for Jewish and Christian organizations and hospitals. In Montreal, he broadcast a weekly radio message on Jewish thought and practice for more than 25 years.