Frank Wiegand (born 15 March 1943) is a German former swimmer, Olympic medalist and world record holder.

He participated in the 1960, 1964 and 1968 Summer Olympics, winning a total of four silver medals.

[1] Wiegand studied sports science aiming to become a coach, but was redirected to a labour union instead.

After the reunification of Germany he worked as a real estate manager at Zeuthen near Berlin.

[1] This biographical article related to a German swimmer is a stub.