Floyd Prozanski (born 1954) is an American Democratic politician who is a current member of the Oregon State Senate, representing the 4th District, since 2004. He previously served in the Oregon House of Representatives, from 1995 through 2000 and again for the 2003 session. He resigned from the House in December 2003 to accept appointment to the Senate seat that had been vacated by . He won election to the seat in November 2004.