Lycoming Township is a township in Lycoming County, Pennsylvania. The population was 1,606 at the 2000 census. It is part of the Williamsport, Pennsylvania Metropolitan Statistical Area.

Lycoming Township is bordered by Cogan House and Lewis Townships to the north, Lycoming Creek forms the eastern border with Hepburn Township. Old Lycoming Township is to the south and Anthony Township is to the west.

Lycoming Township, Lycoming County, Pennsylvania was originally formed in 1785 as Lycoming Township a part of Northumberland County, Pennsylvania. When Lycoming County was formed in 1795 it became a part of Lycoming County, Pennsylvania as Lycoming Township. A petition from the residents of the northern part of what was Lycoming Township was submitted on 26 April 1858. The petition asked that Lycoming Township be divided into northern and southern portions. A vote held in the Newberry section of Williamsport agreed with the petitioners.

The following decree was made by Judge Jordan on 2 December 1858: "The court directs that that [southern] part of Lycoming township between the river and the division be called Old Lycoming township, and the [northern] part between said line and Cogan House and Lewis townships be called Lycoming township." The dividing line begins where Beauty's Run flows into Lycoming Creek and follows a line of westward to Woodward and Anthony Townships.