James Te Wharehuia Milroy (24 July 1937 – 7 May 2019) was a New Zealand academic and expert in the Maori language.
He was of Ngai Tuhoe descent.
Together with Timoti Karetu and Pou Temara, Milroy was a lecturer at Te Panekiretanga o te Reo (the Institute of Excellence in the Maori Language), which the three professors founded in 2004.