Peter Bieri (born 21 June 1952) is a Swiss politician. He was a member of the Council of States and served as the President of the Swiss Council of States for the 2006-2007 session. He is a member of the Christian Democratic People's Party (CVP/PDC).
Bieri was born 1952 in Winterthur. He is married and father of four. From 1987 to 1994, he was member of the council of the municipality of Hünenberg.