Tullio is a common Italian male given name of Latin origin, derived from Tullius (meaning "the one who leads"). Other forms of the name are Tulio (Spanish) and Túlio (Portuguese). It has a second meaning that is hill or valley of the hills. It may refer to:
Given name Tullio Altamura (1924–2005), Italian film actor Carlo Tullio Altan (1916–2005), Italian anthropologist, sociologist and philosopher Tullio Avoledo (born 1957), Italian novelist Tullio Baraglia (1934–2017), Italian rower Tullio Bozza (1891–1922), Italian fencer Tullio Campagnolo (1901–1983), Italian racing cyclist and inventor Tullio Carminati (1894–1971), Italian actor Tullio Cianetti (1899–1976), Italian fascist politician Tullio Crali (1910–2000), Italian artist Tullio De Mauro (1932–2017), Italian linguist and politician Tullio De Piscopo (born 1946), Italian drummer and singer Tullio DeSantis (born 1948), American contemporary artist Marco Tullio Giordana (born 1950), Italian screenwriter and film director Tullio Gonnelli (1912–2005), Italian athlete Tullio Ilomets (1921–2018), Estonian chemist and science historian Tullio Kezich (1928–2009), Italian film critic, playwright and actor Tullio Lanese (1947–2025), Italian football referee Tullio Levi-Civita (1873–1941), Italian mathematician Tullio Liberati (born 1968), American politician Tullio Liblik (born 1964), Estonian businessman Tullio Lombardo (1460–1532), Italian renaissance sculptor Tullio Moneta (1937–2022), Italian-South African actor Tullio Pandolfini (1914–1999), Italian water polo player Tullio Pinelli (1908–2009), Italian screenwriter Tullio Regge (1931–2014), Italian physicist Tullio Rossi (1948–2025), Italian cyclist Tullio Serafin (1878–1968), Italian conductor Mark Tullio Strukelj (born 1962), Italian footballer Tullio Tamburini (1892–1957), Italian soldier and fascist official
Other uses Tullio phenomenon, auditory phenomenon named after the Italian biologist Pietro Tullio Louis J. Tullio Arena, sports arena in Erie, Pennsylvania, named after mayor Louis J. Tullio Pro Tullio, a 71 BC judicial speech by the Roman writer Cicero
See also Tullius Tulio