Gamble Township is a township in Lycoming County, Pennsylvania, United States. The population was 780 at the 2020 census, up from 756 in 2010. It is part of the Williamsport Metropolitan Statistical Area.
Gamble Township was formed from parts of Lewis and Cascade townships on January 30, 1875. An election of the citizens of the proposed township was 152–0 in favor of its creation. The drive for the formation of Gamble Township was led Ira Parker, Abraham Swartz, and J.C. Green. They started a petition and gathered the necessary signatures. Their petition was presented to Judge James Gamble who authorized the election. The results of the balloting were certified by Judge Huston Hepburn. The township is named for the judge who ordered the election.
The first settler in Gamble Township was John Rose, for whom Rose Valley is named. Rose was born in Scotland in 1772. He migrated to the United States in 1794 and settled in what is now Gamb