Piatro is a Belarusian masculine given name, equivalent to the English Peter. It is borne by:
Piatro Chatuloŭ, Belarusian literary critic killed in Stalin's 1937 mass execution of Belarusians Piatro Kravchanka (born 1950), Belarusian politician, diplomat, political scientist and historian, last Minister of Foreign Affairs of the Byelorussian SSR and first Minister of Foreign Affairs of Belarus Piatro Sadoŭski (1941–2026), Belarusian linguist, politician and diplomat