Kazimierz Plater (Broel-Plater) (3 March 1915, Vilna – 30 April 2004, Warsaw) was a Polish chess master.
After the Second World War, he participated twelve times in Polish championships (1946–1964).
[1] In 1947, he took 6th place in Warsaw in a tournament won by Svetozar Gligorić and 12th in the Hilversum zonal won by Albéric O'Kelly de Galway.
[3] In 1957, he shared 4th in Szczawno Zdrój at the 2nd Przepiórka Memorial won by Efim Geller .
[4] He represented Poland in Chess Olympiads: Plater was awarded the International Master title in 1950.