Jaroslav Borzita of Martinice

Jaroslav Bořita z Martinic (Czech pronunciation: [ˈjarɔslav ˈbɔr̝ɪta]; German: Jaroslav Borsita von Martinic/Martinitz) (6 January 1582 – 21 November 1649) was a Czech nobleman and a representative of Ferdinand II, Holy Roman Emperor who, along with Vilém Slavata of Chlum, was a victim in the 1618 Defenestration of Prague (also known as the Second Defenestration of Prague).

His daughter Barbara Eusebia was the second wife of Christian William of Brandenburg.