Cysat is a surname. Notable people with the surname include:
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Johann Baptist Cysat
Johann Baptist Cysat (Latinized as Cysatus; in French, Jean-Baptiste Cysat) (c. 1587 – March 17, 1657) was a Swiss Jesuit mathematician and astronomer, after whom the lunar crater Cysatus is named. He was born in Lucerne, as the eighth of 14 ...
(1587–1657), Swiss Jesuit mathematician and astronomer, son of Renward
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Renward Cysat Renward Cysat (''Cusatus''; 1545–1614) was an apothecary, advocate, cartographer and city councillor of Lucerne. He is the father of mathematician and astronomer Johann Baptist Cysat.
Cysat published works about the history and folklore of ...
(1545–1614), Swiss apothecary, advocate, cartographer, and city councillor of Lucerne
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