William Wallace Kingsbury (June 4, 1828 – April 17, 1892) was a Delegate from the Territory of Minnesota.
Kingsbury was elected as a Democrat to the 35th congress and served from March 4, 1857, to May 11, 1858, when a portion of the Territory was admitted as a State into the Union.
He was not a candidate for renomination in 1858 and later returned to Towanda in 1865 and engaged in the real estate and insurance business.
Kingsbury was engaged as a commission merchant in Baltimore, Maryland, for three years, after which he moved to Tarpon Springs, Florida, in 1887.
He was involved in real estate and mercantile pursuits until his death there and was interred in Cycadia Cemetery.