Šťastný

Šťastný is a Czech and Slovak surname which literally means "happy". The feminine form of the surname is Šťastná.

Spelling variants include Stiastny/Stiastna, Stiasny/Stiasna, Stiassny/Stiassna, etc..

The surname may refer to:

In sports:
 * The Šťastný family of ice hockey:
 * First generation (all brothers):
 * Marián Šťastný (born 1953), Slovak–Canadian winger
 * Peter Šťastný (born 1956), Slovak–Canadian Hall of Fame centre; also notable as a politician in Slovakia
 * Anton Šťastný (born 1959), Slovak–Canadian winger
 * Second generation (both sons of Peter):
 * Yan Stastny (Ján Šťastný) (born 1982), Canadian–American centre
 * Paul Stastny (Pavol Šťastný) (born 1985), Canadian–American centre
 * Andrej Šťastný (born 1991), Slovak professional ice hockey player (not related to the above family)
 * Bohuslav Šťastný (born 1949), retired Czech professional ice hockey player (also unrelated to the Slovak Šťastný family)
 * František Šťastný (1927 − 2000), Czech Grand Prix motorcycle racer
 * Jarmila Šťastná, Czech speed skater
 * Jiří Šťastný, Czech basketball player
 * Leopold Šťastný (1911 − 1996), Slovak football (soccer) player and trainer
 * Jan Šťastný (canoeist) (born 1970), Czech canoeist

In the arts:
 * Bohumil Šťastný (1905 − 1991), Czech photographer
 * Jan Šťastný (violoncellist) (c. 1764 − ?), Czech composer and cellist
 * Jan Šťastný (actor) (born 1965), Czech actor
 * Marie Šťastná (born 1981), Czech poet
 * Vladimír Šťastný (1841 − 1910), Czech priest and poet

Stiasny

 * Franz Stiasny (1881 - 1941), Austrian medal maker
 * Edmund Stiasny, the namesake of the Stiasny's method for analysis of tannins

Stiassny

 * Wilhelm Stiassny (1842, Preßburg - 1910 Bad Ischl), a Jewish Hungarian-Austrian architect
 * Ignaz Stiaßny (1849 - 1909), Austrian theatre director and -agent
 * Robert Stiassny (1862, Vienna - 1917), Austrian art historian
 * Felix Stiassny (1867 - 1938), Austrian industrialist
 * Rudolf Viktor Stiaßny (pseudonym: Viktor Staal; 1909, Frankstadt (Frenštát pod Radhoštěm), Moravia - 1982), Moravian-Austrian actor
 * Alfred Stiassny, Austrian Professor of the Wirtschaftsuniversität Wien
 * Melanie Stiassny (b.1953), German ichthyologist