John Hugh McNary (January 31, 1867 – October 25, 1936) was an American attorney and jurist in the state of Oregon.

[2] McNary was educated in the local public schools in Marion County before attending Willamette University.

[1] While in office he helped to prosecute some of those involved in the Oregon land fraud scandal.

[2] In 1912, he taught at the Willamette University College of Law as a professor of corporations under his brother who was the dean.

[1] He was confirmed by the United States Senate on February 28, 1927, and received his commission the same day.

[1] He was buried at the Salem Pioneer Cemetery, with his funeral attended by others in the legal community including E. M. Page, James Alger Fee, James U. Campbell, John O. Bailey, Harry H. Belt, John L. Rand, George Rossman, Percy R. Kelly, and Henry J.