Johannes "Jo" Kaiser (27 February 1936 in Jüngersdorf, Düren – 17 December 1996 in Zürich, Switzerland) was a West German athlete who competed mainly in the 400 metres. He committed suicide in 1996.[1]
He competed for the United Team of Germany in the 1960 Summer Olympics held in Rome, Italy in the 4 x 400 metre relay where he won the silver medal with his teammates Joachim Reske, Manfred Kinder and Carl Kaufmann.