Trnka (feminine Trnková) is a Czech habitational surname, meaning a person who lived by a blackthorn bush, or trnka in Czech.Dictionary of American Family Names. "Trnka Family History", Oxford University Press, 2013. Retrieved on 16 January 2016. The name may refer to:
Andrea Trnková (born 2004), Czech ice hockey player Dobroslav Trnka (1963–2023), Slovak lawyer Jaroslav Trnka (born 1983), Czech physicist, one of the authors who introduced amplituhedron Jiří Trnka (1912–1969), Czech puppet maker Jiří Trnka (footballer) (1926–2005), Czech football player Johann Trnka (died 1950), Austrian murderer Margareta Trnková-Hanne (born 1976), Czech athlete Pavel Trnka (born 1976), Czech ice hockey player Věra Trnková (1934–2018), Czech mathematician Veronika Trnková (born 1995), Czech volleyball player Wenzel Trnka (1739–1791), Bohemian physician
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