Peter Kormos (October 7, 1952 – March 30, 2013) was a politician in Welland, Ontario, Canada.
A lawyer by profession, he was first elected as an Ontario New Democratic Party (ONDP) Member of Provincial Parliament (MPP) to the Legislative Assembly of Ontario in the Welland constituency in a 1988 provincial by-election.
He replaced veteran NDP legislator Mel Swart.
Kormos was re-elected in every subsequent Ontario general election until his retirement from provincial politics in 2011.
In 2012, he was elected to Niagara Regional Council in a by-election.