Namesakes
Notable Actors and Entertainers:
1 actor
Olin Howland 1886-1959 
Notable Politicians and Statespeople:
1 politician
Lindsey Graham (a.k.a. Olin) 1955-
Notable Scientists and Inventors:
2 astronomers
Olin Chaddock Wilson 1909-1994
Olin J. Eggen 1919-1998