Myung-Jun Kim is a South Korean voice actor associated with the Tooniverse voice acting division. He began his career in the performing arts, initially working as a musical actor from 2004 to 2012. In 2012, he transitioned to voice acting, debuting as a member of the CJ ENM Voice Actor Theatre's 8th class. He remained with Tooniverse's voice acting division until 2015, after which he became a freelancer.

Kim's voice acting portfolio includes a variety of roles in animated series and video game localizations. He is known for voicing the main character, Bam, in the Korean-language version of the anime adaptation of the popular webtoon Tower of God. Another prominent role in his career is providing the Korean dub voice for Sougo Tokiwa, the protagonist of the Japanese tokusatsu series Kamen Rider Zi-O. His work also extends to video game voiceovers, with credits including characters in game adaptations such as The Legend of Zelda: Breath of the Wild, The Legend of Zelda: Tears of the Kingdom, and titles in The Genesis of Legend series.