Luis Reina is a Spanish voice actor primarily known for his work dubbing foreign-language content, including animation and live-action productions, into Spanish. Based in Madrid, he has built a prolific career as a voice actor, often providing the Spanish voice for well-known international actors such as Kevin Bacon, Walton Goggins, and Damian Lewis.

In the realm of anime, Reina has been particularly active in dubbing for Netflix original anime series. He is widely recognized for his portrayal of the cunning and charismatic Viking leader Askeladd in the Spanish dub of the acclaimed series Vinland Saga and its second season. Another significant role is Lihito Nakata, a fighter in the brutal underground tournament series Kengan Ashura. He also voiced the character Bark in the science fiction anime Make My Day and Simon in the fantasy series Dragon's Dogma.

Beyond these recent productions, Reina's career includes a variety of anime roles across different decades. He is the Spanish voice of Prince Sigfrido in the 1981 animated film Swan Lake, an adaptation of Tchaikovsky's ballet produced by Toei Animation. He also voiced Pierre in the 1988 Italian-Japanese animated series Topo Gigio. Additional credits include characters in the Pokémon franchise, such as Fausto in Pokémon: Diamond and Pearl and Fero in Pokémon: Black and White. He has also contributed to series like Aggretsuko as Seiya, Tiger & Bunny as Alexander Lloyds, and the Netflix dub of Neon Genesis Evangelion as Shiro Tokita.

His work is characterized by a medium vocal type, allowing him to portray a wide range of characters, from leaders and princes to more antagonistic or comedic figures. His dubbing work is frequently carried out at studios in Madrid, and he has collaborated on projects directed by notable voice directors such as Ana María Simón.