Wallace Libby Hardison (26 August 1850 – 10 April 1909) was one of the founders of Union Oil.
Hardison was born in Caribou, Aroostook County, Maine, the youngest of eleven children.
He followed his brother, James Henry Hardison, to the oil fields of Western Pennsylvania.
At first, they worked as field hands, but eventually befriended Milton and Lyman Stewart.
Wallace Hardison also co-founded Limoneira a lemon processing company.