Irina Müller (later Weiße, born 10 October 1951) is a German rower, who won the gold medal at the 1976 Summer Olympics and was a member of the SG Dynamo Potsdam.Müller was born in Leipzig; sources vary whether the birth year was 1950 or 1951.Immediately after the 1976 Summer Olympics, she married fellow rower Stefan Weiße.
As Irina Weiße, she was awarded a Patriotic Order of Merit in silver in September 1976.
She was an informer for the Stasi under the codename "Ines".