Leitão, sometimes Anglicized Leitao (literally meaning suckling pig), is a traditional Portuguese (and Pan-Iberian) dish made of a suckling pig, known more commonly under its Spanish name Lechón. Notable people with the surname include:
Alexandre Filipe Clemente Leitão (born 1979), Portuguese footballer António Leitão (1960–2012), Portuguese athlete Ashley Leitão (born 1986), Canadian singer Cândido Firmino de Mello-Leitão (1886–1948), Brazilian zoologist Carlos Leitão, (born 1959), Canadian politician from Quebec Dave Leitao (born 1960), American basketball coach João Baptista da Silva Leitão de Almeida Garrett (1799-1854), Portuguese poet, playwright, novelist and politician Joaquim Leitão (born 1956), Portuguese film director Jorge Leitão (born 1974), Portuguese football player José Leitão de Barros (1896–1967), Portuguese film director and playwright Maria Luisa Leitao, Hong Kong television host and actress Miriam Leitão (born 1953), Brazilian journalist and television presenter Rafael Leitão (born 1979), Brazilian chess grandmaster Roberto Leitão (1937–2020), Brazilian wrestler Teresa Leitão (born 1951), Brazilian politician
See also George N. Leighton (1912–2018), United States District Court judge; his original surname was Leitão Leitão & Irmão, a Portuguese luxury jewelry colloquially known as Leitão House