Lluís Nicolau is a Spanish voice actor based in Barcelona, known for his work in dubbing anime and live-action series into Spanish for Spain. He has been active in the dubbing industry since at least 2018.

Nicolau has built a diverse portfolio of voice roles in anime, often providing voices for supporting and secondary characters. One of his credited roles is Yoshihiko Sagami in the 2018 science fiction series A.I.C.O. -Incarnation-. His other notable anime work includes voicing Justin Shamal in Why Raeliana Ended Up at the Duke's Mansion, Tetsu Mikasa in The Summer Hikaru Died, and Hatz in Tower of God. He has also contributed to long-running and popular series, lending his voice to characters such as Magma in Dr. Stone and its sequels, and various roles in the Naruto franchise, including Jibachi Kamizuru and Shin'nemon.

His career extends to live-action dubbing as well. He has voiced characters in series such as The Lord of the Rings: The Rings of Power, House of the Dragon, and Ripley. Nicolau's consistent work, particularly for dubs produced by Crunchyroll, demonstrates his ongoing presence in the Spanish dubbing industry for anime and international television.