Seonho Lee is a South Korean voice actor known for dubbing Korean-language versions of numerous anime series and films. One of the notable roles in their career is providing the voice for the character Shiine in the anime series Lil' Red Riding Hood Cha-Cha. This role is recognized as one of the representative boy characters in Lee's voice acting portfolio.

Lee's work encompasses a wide range of prominent anime titles. They are particularly well-known for voicing the character Satoshi, known as Ash Ketchum in English, across multiple Pokémon series and films. This includes Pokémon Advance, Pokémon XY, Pokémon XY & Z, Pokémon Journeys: The Series, and several movies such as Mewtwo Strikes Back Evolution and Secrets of the Jungle. Another significant role is Krillin in the Dragon Ball franchise, for which they provided the second voice in the Dragon Ball Z TV series and reprised the role for the film Dragon Ball Z: Resurrection 'F'.

In addition to these long-running roles, Lee's filmography features a variety of other major characters. They voiced Shippo in the 2001 Inuyasha series and its accompanying movie, Tails in Sonic X, Manta Oyamada in Shaman King, and Meryl Stryfe in Trigun. Their credited roles also include Hajime Aoyama in Ghost Stories, Marie in Nadia: The Secret of Blue Water, and White Bomb in Bomberman Bidaman Bakugaiden. This extensive body of work demonstrates Lee's versatility and significant presence in the field of Korean anime dubbing.