Jan Kmita z Wiśnicza (ca. 1330 - died 1376 in Kraków) was a Polish knight.
He became general starost of Ruthenia and Sieradz (1351–1367), starost of Lwów (1371) and starost of Kraków (1375). In the name of King Louis I of Hungary he governed Ruthenia in 1372–1375.
Jan was the first Kmita who used the Szreniawa coat of arms with a cross.
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