Oriville Lee Bandy (31 March 1917 – 2 August 1973) was an American geologist and a professor at the University of Southern California.
He specialized in Cenozoic stratigraphy, benthic foraminifera and palaeoclimate studies.
Bandy was born in Linden, Iowa and grew up in Corvallis, Oregon.
He then worked in the Humble Oil and Refining Company, Houston before joining for a PhD in 1946 under Jesse James Galloway at the Indiana University Bloomington.
He joined the University of Southern California in 1948 as a professor and worked there until his death.