Johann Georg, Prince von Hohenzollern (Johann Georg Carl Leopold Eitel-Friedrich Meinrad Maria Hubertus Michael; 31 July 1932 – 2 March 2016) was a German prince, and through his marriage to Princess Birgitta of Sweden, was brother-in-law of King Carl XVI Gustaf of Sweden.

Prince Johann Georg was the sixth child of Frederick, Prince of Hohenzollern (Heiligendamm 30 August 1891 – Krauchenwies 6 February 1965) and his wife Princess Margarete Karola of Saxony (Dresden 24 January 1900 – Freiburg im Breisgau 16 October 1962).

The House of Hohenzollern also produced rulers of the Kingdom of Romania. King Carol I of Romania was the first king of Romania born as a Prince of Hohenzollern-Sigmaringen. He was followed by his nephew Ferdinand I of Romania (1865–1927), who was adopted as heir in 1889 by his uncle and succeeded as King in 1914 upon his uncle's death. Ferdinand became the father of King Carol II of Romania and grandfather of Michael I of Romania, the current head of the Royal Family of Romania.

Johann Georg, known as "Hansi", had six siblings:

Johann Georg met Princess Birgitta of Sweden, the sister of the current King of Sweden Carl XVI Gustaf in 1959 at a cocktail party while visiting friends and relatives in Germany.

On 15 December 1960, their engagement was announced by the Royal Palace of Stockholm. The civil marriage ceremony took place at the Royal Palace of on 25 May 1961, and the religious wedding in the Sankt Johann Church at the bridegroom's family palace of Sigmaringen on 30 May/31 July 1961.

Johann Georg and Birgitta separated in 1990, though they remained legally married and attended Swedish royal family events together, including the 2010 wedding of Crown Princess Victoria. They celebrated their golden wedding in 2011.

Johann Georg and Birgitta's marriage produced three children:

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