Luca or LUCA may refer to:

People

* Luca (masculine given name), including a list of people * Luca (feminine given name), including a list of people * Luca (surname), including a list of people

Places

* The ancient name of Lucca, an Etruscan city of Roman Italy

Fictional characters

* Luca Tsukino, in the 2019 film ''Doraemon: Nobita's Chronicle of the Moon Exploration'' * Luca Paguro, in the 2021 film ''Luca (2021 film), Luca'' * Luca (Yu-Gi-Oh! 5D's), in the anime series * Luca (Final Fantasy character), Luca (''Final Fantasy'' character)

Arts and entertainment

* Luca (Final Fantasy setting), Luca (''Final Fantasy'' setting), of the video games * Luca Family Singers, US * Luca (2019 film), ''Luca'' (2019 film), in Indian Malayalam-language * Luca (2021 film), ''Luca'' (2021 film), Disney/Pixar animation * A song by Brand New from the album ''The Devil and God Are Raging Inside Me'' * Luca, a scrub jay from Angry Birds Stella and the animation

Biology

* Luca (genus), ''Luca'' (genus), moths in the family Notodontidae * Last universal common ancestor, of all organisms on Earth

Other uses