Patrick McGowan (16 July 1926 – 3 October 1999) was a Fianna Fáil politician in Ireland.
A farmer and potato merchant, he was a senator from 1965 to 1981, and from 1987 to 2002, elected on the Agricultural Panel.
His son Patrick is a member of Donegal County Council for the Stranorlar electoral area, and was an unsuccessful candidate in the 2002 and 2007 Seanad elections, on the Agricultural Panel.