Klaus Grogorenz (born 27 April 1937) is a German athlete. He competed in the men's decathlon at the 1960 Summer Olympics.^[1]

Grogorenz finished eighth at the 1960 Summer Olympics in Rome.^{[citation needed]}

Domestically, Grogorenz was an East German Champion in the 100 and 200-metre dash in 1957 and was also a runner-up in the decathlon in 1961 and 1963. He also took part in 10 international matches.^{[citation needed]}