John Lynch (February 18, 1825 – July 21, 1892) was a nineteenth-century politician, merchant, manufacturer and newspaper publisher from Maine.

He engaged in mercantile pursuits, was manager of the Portland Daily Press in 1862 and was a member of the Maine House of Representatives from 1862 to 1864.

He was elected a Republican to the United States House of Representatives in 1864, serving from 1865 to 1873.

Afterward, he permanently moved to Washington, D.C. where he established the Washington Daily Union in 1877 and engaged in the manufacturing of bricks and drain pipes.

This article incorporates public domain material from the Biographical Directory of the United States Congress