Pedro Arrieta is a Spanish voice actor known for his extensive work in dubbing anime series and original video animations for the Spanish market. His professional status is listed as retired. He contributed significantly to the localization of anime during the era when many series were dubbed in Spain for distribution in Spanish-speaking markets.

Arrieta's career is characterized by a wide range of voice roles, predominantly in OVA series from the 1990s and 2000s. He frequently voiced characters in various genres, including action, drama, and fantasy. He is credited with providing the Spanish voice for a multitude of characters, such as Kaidou Ochi in Midnight Strike Force, Kenichi Sakaki in Behind Closed Doors, and Mitsurugi in Matō Kitan Zankan. He also voiced the incubus Alphina, the boss of the demon protagonist trio, in the series Viper GTS. Another notable role was as Rob Onwa, the chief engineer of the Queen Fuji, in Iczer Reborn. His filmography includes many other titles, with roles in Professor Pain as Naoto Murano, Bible Black Origins as Hiratani, Midnight Sleazy Train as Tetsuo Amano, Legendary Armor Samurai Troopers as Jorge (Shin Mouri), The Irresponsible Captain Tylor as Ru Baraba Dom, Inma Seiden - The Legend of the Beast of Lust as Akira Yashagami, Doctor Shameless as Shinji Ishida, Sex Taxi as Keiji Tanaka, Mikagura Detective Agency as Tokito Mikagura, and SeeIn as Kyoya.

Beyond these specific credits, Arrieta's voice can be heard in many other anime series and OVAs. His work includes roles in well-known titles such as Black Jack, Ranma ½, Slam Dunk, and Noir. In the various Ranma ½ dubs produced in Spain, he voiced characters including Sasuke Sarugakure and the kendoist Tatewaki Kuno. His credits also encompass series like Rune Soldier, Peach Girl, and Discipline: The Hentai Academy. In addition to on-screen roles, Arrieta also worked behind the scenes as a dubbing director, notably for the Spanish dubs of Happy Lesson and episodes of the Rumiko Takahashi Anthology.