|Tasziló Festetics de Tolna|
|Spouse(s)||Mary Victoria Douglas-Hamilton|
Mária Matild Festetics de Tolna
György Tasziló Festetics de Tolna
Alexandra Olga Festetics de Tolna
Karola Friderika Festetics de Tolna
|Noble family||House of Festetics|
|Father||Count György Festetics de Tolna|
|Mother||Countess Eugénia Erdődy de Monyorókerék et Monoszló|
5 May 1850|
Vienna, Austrian Empire
4 May 1933 (aged 82)|
Keszthely, Kingdom of Hungary
Prince Tasziló Festetics de Tolna (5 May 1850 – 4 May 1933) was a member of the Hungarian noble family of Festetics. He was born in Vienna, the son of György Festetics de Tolna, Minister of Foreign Affairs of Hungary from 1867 to 1871.
- Countess Mária Matild Georgina Festetics de Tolna (24 May 1881, Baden-Baden – 2 March 1953, Strobl am Wolfgangsee), who married Prince Karl Emil von Fürstenberg (grandfather of princess Ira von Fürstenberg, Prince Egon von Fürstenberg, and Karel Schwarzenberg).
- Prince György Tasziló József Festetics de Tolna (4 September 1882, Baden-Baden – 4 August 1941, Keszthely); who married countess Marie Franziska von Haugwitz.
- Countess Alexandra Olga Eugénia Festetics de Tolna (1 March 1884, Baden-Baden – 23 April 1963, Vienna); who was married first to Prince Karl von Windisch-Grätz (brother-in-law of Archduchess Elisabeth Marie of Austria) and later to Prince Erwin zu Hohenlohe-Waldenburg-Schillingsfürst,
- Countess Karola Friderika Mária Festetics de Tolna (17 January 1888, Vienna — 21 January 1951, Strobl); who was married to Baron Oskar Gautsch von Frankenthurn.
On June 21, 1911, Count Tasziló Festetics de Tolna was made a Prince with the style Serene Highness (Durchlaucht) by King Francis Joseph I of Hungary. His grandson Georg (born 1940) is the current head of the house. He died, aged 82, at Festetics Palace, Keszthely.