"Hand in Hand" (손에 손잡고) is the second digital single by I.O.I. It was released on August 15, 2016 to celebrate the 2016 Summer Olympics. The song is a remake of the official theme song for the 1988 Summer Olympics in Seoul.
The song was re-released with a new melody on February 14, 2018 for the 2018 Winter Olympics.
- "Hand in Hand (손에 손잡고)" - 3:19
- "Hand in Hand (손에 손잡고)" (Inst.) - 3:19