Decleva is a surname. Notable people with the surname include:
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Enrico Decleva (1941–2020), Italian historian
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Zoltán Decleva
Zoltán Decleva (30 July 188717 July 1950) was a Hungarian military officer, who served as commander of the Hungarian Third Army during the Second World War.
He commanded the Hungarian I Corps during the Invasion of Yugoslavia.
In 1941, he was ...
(1887–1950), Hungarian military officer
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