Peter Callanan (29 June 1935 – 11 October 2009) was an Irish Fianna Fáil politician and served as a member of Seanad Éireann from 1997 until his death in 2009.Born in Clonakilty, County Cork, Callanan was educated in Mount Melleray College, County Waterford.
He was a farmer in Innishannon, County Cork.
A member of Cork County Council from 1979 to 2004, He was an unsuccessful candidate at the 1981 general election for the Cork South-West constituency, and was also an unsuccessful candidate at the 1993 Seanad election.
Callanan was elected to the 21st Seanad in 1997 by the Agricultural Panel, and re-elected in 2002 to the 22nd Seanad and in 2007 to the 23rd Seanad.Callanan died on 11 October 2009.
He is survived by his wife Sheila and six children.