John Maugridge Snowden (January 13, 1776 – April 1, 1845) served as Mayor of Pittsburgh City from 1825 to 1828.

Snowden was born in Philadelphia, in the colonial-era Province of Pennsylvania, to a family of Revolutionary-era Patriots.

His father, William Snowden, was a hero of the war, being imprisoned by the British forces and dying in their custody.

Snowden served terms as Allegheny County Recorder and Treasurer before being elected mayor of Pittsburgh in 1825.

Snowden died suddenly of heart disease on April 1, 1845, at his residence in Allegheny City, now Pittsburgh's North Side.