Patrick George Ryan (May 9, 1838 – October 21, 1906) was a leather manufacturer and political figure in New Brunswick.
He represented Gloucester County in the Legislative Assembly of New Brunswick from 1876 to 1895 as a Liberal.
He was born in Bathurst, New Brunswick, the son of Irish immigrants, and educated there.
Ryan served on the council for Caraquet and was also warden for Gloucester and a justice of the peace.
In 1862, he married Margaret Murphy.
He served on the province's Executive Council as Chief Commissioner of the Board of Works.