Bíró is a Hungarian surname meaning "judge". Notable people with the name include:Andrew Biro, Canadian academic
Anton Biró, Romanian hockey player
Borbala Biro, Hungarian biologist and agricultural scientist
Boubacar Biro Diallo (1922–2025), Guinean politician
Brandon Biro, Canadian hockey player
Charles Biro (1911–1972), American comic book writer
Daniel Biro, English musician and composer
Dora Biro, American researcher
Guilherme Biro, multiple people
Gyula Bíró (1890–1961), Hungarian Olympic footballer
István Biró, Serbian politician
Katalin Bíró-Sey (1934–2022), Hungarian numismatist
László Bíró (1899–1985), Hungarian-Argentine inventor; invented the ballpoint pen
Lajos Bíró (1880–1948), Hungarian novelist, playwright, and screenwriter
Melinda Bíró, Hungarian tennis player
Norbert Bíró, Hungarian Paralympic judoka
Péter Bíró, multiple people
Peter Paul Biro (1954–2024), Canadian art analyst
Sámuel Bíró de Homoródszentmárton (1665–1721), Transylvanian politician
Sari Biro (1912–1990), Hungarian pianist
Štefan Biró (1913–1954), Slovak footballer
Szabolcs Bíró, Hungarian footballer
Val Biro (1921–2014), children's writer and artist
Ferenc Puskás (1927–2006), Hungarian footballer