John F. O'Brien (October 9, 1859 – April 23, 1927) was an American businessman and politician.
In 1897, he formed with his partner George C. Kellogg the O'Brien & Kellogg Dock and Coal Company, and acquired control of the docks and waterfront at Plattsburgh, conducting the largest wholesale business of flour, coal, feed and grain in Northern New York.
[2] He was a member of the New York State Assembly (Clinton Co.) in 1901 and 1902.
He was President of the Plattsburgh National Bank and Trust Company.
This article about a member of the New York State Assembly is a stub.