Florian Laskary of Kościelec (bishop of Płock)

– 21 June 1333) was Bishop of Płock in Poland from 1317 until his death in 1333.

[1][2] He was also Canon of Duke Bolesław II and a chaplain at Gniezno.

Born into the Leszczyc noble family, he had a successful career in the medieval Polish church.

During his long episcopacy he tried to establish good relations with the Teutonic Knights but was one of the initiators of the conclusion of the Alliance between the Teutonic Knights and Duke Wenceslaus of Płock.

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