Juan José López Lespe is a Spanish dubbing actor known professionally in the voice acting industry. He maintains an active professional status and possesses a medium vocal range suitable for diverse character types.

Lespe is most widely recognized for his work within the Saint Seiya franchise, where he has voiced the protagonist Pegasus Seiya across multiple installments. His most prominent role is providing the voice for Seiya de Pegaso in the original classic series of Saint Seiya, known in Spain and Latin America as Los Caballeros del Zodiaco. In addition to performing the lead role in this seminal anime series, Lespe initially also served as the dubbing director for the production, holding this position for the first twenty-six episodes. Beyond the main character, he additionally voiced the antagonist Black Pegasus in the same series.

Beyond his signature role in Saint Seiya, Lespe has contributed to other anime productions. He voiced the character Dick in an unspecified anime title. His career encompasses a substantial range of voice work outside of animation, including dubbing roles for numerous live-action television series and films. His extensive credits include voice work for American television series such as Las chicas de oro, Seinfeld, Castle, Ley y Orden: Unidad de Víctimas Especiales, The Closer, and Shameless, as well as films including Terminator 2 and Billy Madison. His work has also extended into the video game industry, where he performed additional voices for the 2023 release Starfield.