Frank A. Wenstrom (July 27, 1903 – May 12, 1997) was a North Dakota Republican Party politician who served as the 28th Lieutenant Governor of North Dakota under Governor William L. Guy. Wenstrom also served in the North Dakota Senate for District 1 from 1957 to 1960 and 1967 to 1986, and was the President of the state's second Constitutional Convention.^[1]

Franklin Augustus Wenstrom was born and grew up in Wells County, North Dakota. He was the son of James A. Wenstrom (1874-1963) and Anna (Kringstad) Wenstrom (1874-1967). His parents were of Norwegian and Swedish immigrant heritage. Beginning in 1933, he worked in the oil business in Carrington, North Dakota. In 1945, he became secretary- manager for the Williston (N.D.) Chamber of Commerce. Wenstrom worked as public relations officer for First National Bank of Williston (1951-1960).^{[2][3] [4]}

In 1938, he was married to Mary Esther Pickett (1907-2002). Wenstrom died at age 93 in 1997 and was buried at Riverview Cemetery in Williston.^[5]