Günther Engelhart Ziegler (18 January 1933 – 19 December 2013) was a German cyclist. He competed in the tandem sprint at the 1956 Summer Olympics, and finished last after a crash during a repechage round.

Ziegler was a German amateur champion in 1952–1956 in the team time trial. After the 1956 Olympics he turned professional, and in 1961 won the national sprint title, placing second in 1957, 1959–60, 1962, and 1964. He also won the six-day race of Essen in 1960.