Pero is a masculine given name. In South Slavic usage (Serbian Cyrillic: Перо) it is a diminutive form of the name Petar. In Portuguese, it was spelled Pêro until the 1990 Orthographic Agreement of Portuguese; now it is spelled Pero. The Portuguese given name Pero is a archaic variant of Pedro.
Notable people with the given name include:
- Pero de Alenquer, Portuguese explorer of the African coast
- Pero Antić (born 1982), National Basketball Association player from Macedonia
- Pero Blazevski (born 1972), Macedonian former basketball player
- Pero Budmani (1835–1914), Dubrovnik linguist and philologist
- Pero Bukejlović (born 1946), Prime Minister of Republika Srpska
- Pero Cameron (born 1974), New Zealand professional basketball player
- Pero da Covilhã (c. 1460 – after 1526), Portuguese diplomat and explorer
- Pero Čingrija (1837–1921), Croatian politician
- Pero Dujmović (born 1977), Croatian basketball player and agent
- Pero Escobar, Portuguese navigator
- Pero Ferrús, Castilian poet
- Pero Jones (c. 1753 – c. 1798), the eponym of a bridge in the city of Bristol in the United Kingdom
- Pero Kovačević (born 1957), Croatian lawyer and politician
- Pero Kvrgić (1927–2020), Croatian actor of Serb and Austrian descent
- Pero López de Ayala (1332–1407), Castilian statesman, historian, poet, chronicler, chancellor and courtier
- Pero Pejić (born 1982), Croatian footballer
- Pero Pirker (1927–1972), Croatian and Yugoslav politician
- Pero Popović (1881–1941), Bosnian Serb painter
- Pero Simić (1946–2016), Bosnian Serb journalist and historian
- Pero Stanić (born 1963), Bosnian Croat volleyball player
- Pero Škorić (born 1969), Serbian football player
- Pero Vaz de Caminha (c. 1450 – 15 December 1500), Portuguese explorer, writer of the official report of the discovery of Brazil
Pero is also a surname. Notable people with the surname include: