Matthew Paul Deady (May 12, 1824 – March 24, 1893) was a politician and jurist in the Oregon Territory and the state of Oregon of the United States. He served on the Oregon Supreme Court from 1853 to 1859, at which time he was appointed to the newly created federal court of the state. He remained on this federal trial level court, the United States District Court for the District of Oregon in Portland, Oregon, as the sole judge until his death in 1893.