Paul Gregory Shanahan
- Bats Right, Throws Right
- Height 6' 2", Weight 190 lb.
- School Humboldt State University, University of California, Santa Barbara
- Debut September 4, 1973
- Final Game September 30, 1974
- Born December 11, 1947 in Eureka, CA USA
Greg Shanahan pitched for the Dodgers in 1973 and 1974.
He has served for 12 years as the general manager of the Humboldt All Stars, a team for local and former college players. Shanahan pitched for the Humboldt Crabs, the chief sponsor of the All Stars.
Shanahan runs Greg Shanahan Insurance in Eureka, CA, the town where he was born.