Lennox Danielson, M.D. (1904 - 1996) was a surgeon and family practice physician in Litchfield, Minnesota. He also served as chairman of the Litchfield school board for a number of years.

His father, Karl, was the first physician to establish a permanent office in Litchfield. A nearby township is named after him.

Lennox's sister, and his wife were also physicians.

He is mentioned briefly in several of William A. Nolen's books.