INFINITE H (인피니트 H) is the first official sub-group of South Korean boy group INFINITE, formed under Woollim Entertainment in 2013. The sub-group consists of Infinite members Dongwoo and Hoya. The sub-group debuted with their mini album titled "Fly High" released on January 11, 2013. In early 2015, INFINITE H comeback with their second mini-album "Fly Again" released on January 26, 2015.

Prior to their debut as a subgroup, the duo have had some performances such as "Crying" and "You Look Good". They also performed, "Without You", a song from their debut album at the “Infinite Concert That Summer” on August 8, 2012. The two singers officially debuted with the release of the EP Fly High on January 11, 2013. As soon as the album was released, the title track “Special Girl” ranked #1 on Naver, Daum, Nate, and other major music charts. The other songs such as “Victorious Way“, “Without You“, “I Can’t Tell You“, and “Fly High“ also ranked within the top 10 as well.

In 2014, during Infinite's concert, "One Great Step Returns", Infinite H performed a new song "Alone", with the lyrics written by the duo. They are preparing for the release of another album. Read more on Last.fm. User-contributed text is available under the Creative Commons By-SA License; additional terms may apply.