Glenfern is a rural locality in the local government area (LGA) of Derwent Valley in the South-east LGA region of Tasmania.

The locality is about 10 kilometres (6.2 mi) south-west of the town of New Norfolk.

The 2016 census recorded a population of 189 for the state suburb of Glenfern.

[2] The Plenty River forms the western boundary.

A small portion of the northern boundary abuts the Derwent River.