Kim Ja-in (Hangul: ???, born 11 September 1988), more widely known as Jain Kim, is a professional climber.
She is mainly active in lead climbing and bouldering competitions.
She has won the Lead Climbing World Cup three times (2010, 2013, 2014), the Lead Climbing World Championship once (2014), and the Rock Master once (2010, Lead discipline).
Moreover, she has won the Asian Championships 14 times in 15 years, namely 11 times in lead climbing and 3 times in bouldering (see below for details).
Jain Kim also successfully climbs outdoors.
In 2014, she redpointed her first routes graded beyond 8b+; namely Bibita Biologica (8c) and Reini’s Vibes (8c/8c+), both in Arco, Italy.