Peter Argyris Katsambanis (born 24 December 1965) is a former Australian politician. He was elected to the Western Australian Legislative Council at the 2013 state election, representing the Liberal Party, taking his seat on 22 May 2013. He resigned in 2017 to successfully contest the Legislative Assembly seat of Hillarys. At the 2021 Western Australian state election, he was defeated by Labor's Caitlin Collins. He was previously a Liberal member of the Victorian Legislative Council, from 1996 to 2002.