Needilup is a town and locality in the Shire of Jerramungup, Great Southern region of Western Australia.

Needilup is situated between Ongerup and Jerramungup along the Gnowangerup-Jerramungup Road.

The name is taken from the nearby Needilup River that was first surveyed in 1901 and spelt in a variety of ways.

The Needilup Nature Reserve was gazetted on 14 August 1914, has a size of 6.22 square kilometres (2.40 sq mi), and is located within the Mallee bioregion.

The Corackerup Nature Reserve was gazetted on 17 May 1963, has a size of 43.34 square kilometres (16.73 sq mi), and is located within the Esperance Plains bioregion.