Count John Joseph William of Wurmbrand-Stuppach (German: Graf Johann Joseph Wilhelm von Wurmbrand-Stuppach) (1670 - 1750) was the Count of Wurmbrand-Stuppach 1694 - 1750. His father was Count John Eustace. John Joseph William had two famous brothers, Christian Siegmund and Casimir Henry.

John Joseph William studied at the University of Utrecht. He succeeded his grandfather John Ernest Henry in 1694. In 1697 was appointed an advisor to the Holy Roman Emperor Leopold I. He reorganised the royal advisory, and was responsible for much of the genealogical work in Austria. In 1701 he was raised to the dignity of an Imperial Count. His work first appeared in Vienna in 1705, and it earnt him the name "the Father of Austrian Genealogy". Later, Count John Joseph William reorgnaised the archives of Lower Austria, and established a system which continued even after a new repertory of nobility. In 1726, he gained a seat and voice in the Franconian Diet. When the Wittelsbach King Charles Albert of Bavaria gained the Imperial crown in 1742, Count John William retired from service in Bohemia, and only emerged from retirement following Charles' death in 1745 and the restoration of the Habsburgs to the Imperial throne. Count John Joseph William died in 1750 and was buried in Vienna. He was married five times; only his third wife, Maria Domininca Gräfin von Starhemberg, mothered a son and heir, Count Gundacker Thomas.

Preceded by:

John Joseph William

Succeeded by:

John Ernest Henry Count of Wurmbrand-Stuppach
1694 - 1750
Gundacker Thomas