Wikipedia:
Luca is Italian and Romanian for the name Luke.
Luca is a variant of the name Lucia in Hungarian.
Luca or LUCA may refer to: the Last Universal Common Ancestor.
Luca is the Greek word for legendary
People
Luca tribe, a group of precolonial people in the U.S.Luca (given name), including a list of people with the given name LucaLuca (surname), including a list of people with the surname Luca
Places
Luca, the ancient name for Lucca, a city in Tuscany, ItalyLuca, a town in MaltaLuca, the Hungarian name for Luţa village, Beclean Commune, Braşov County, RomaniaSan Luca, a town in the Province of Reggio Calabria, ItalyFictionLuca, a city in Spira, the setting of the video games Final Fantasy X and Final Fantasy X-2Luca Mclaughlin
Music
Luca, a song by Brand New from the album The Devil and God Are Raging Inside Me
Other
Dean & DeLucaThe Last universal ancestor (last universal common ancestor)One thousand Chilean Pesos in informal Chilean SpanishLuca Family Singers, an American singing group