Henry Watson Powell, known as Henry "Tank" Powell, is an insurance agent in Ponchatoula in Tangipahoa Parish, Louisiana, who served as a Republican member of the Louisiana House of Representatives for District 73 from 1996 until term-limited in 2008.
A native of Bogalusa in Washington Parish, Powell graduated in 1963 from Bogalusa High School, where he excelled as an All-American football player, and presumably acquired his unusual nickname. Powell graduated in 1968 from Southeastern Louisiana University in Hammond, also in Tangipahoa Parish.
Powell has long been affiliated with Prudential Insurance, having been "Agent of the Year" and also "Man of the Year" designation from Tangipahoa Life Underwriters. Powell is a member of both the Hammond and Ponchatoula chambers of commerce as well as the Economic Development Foundation of Tangipahoa Parish. He is a member of the SLU Alumni Association. His wife is Kathy N. Powell (born ca. 1944). Powell is a former member of the Southwood Academy School Board in Hammond. He is also active in the Masonic lodge in Ponchatoula. He is a Baptist deacon.