Wilhelm Graf von Hohenau (27 November 1884, Berlin â 11 April 1957, Hamburg) was a German Graf and horse rider who competed in the 1912 Summer Olympics.
He was the second son of Count Frederick of Hohenau and his wife, Charlotte von der Decken (1863-1933). Paternally, he was a grandson of Prince Albrecht of Prussia and his morganatic second wife Rosalie von Rauch. This relation made him second cousin of Emperor Wilhelm II.
He won the bronze medal in the equestrian team jumping event. Furthermore, between 1920 and 1933, he won 227 tournaments throughout Europe.
On 20 May 1916, he married Countess Anna Wanda Sara Ellinor Henckel von Donnersmarck (1894-1946), daughter of (1857-1923) and Anna (1854-1905). They had one daughter and one son:
After divorcing his first wife, he married secondly Ellen Retemeyer-Ketschendorf (b. 1898) on 24 Mar 1932. She was also previously married to sculptor (1890-1972).