KC Certification (Korea Certification)，represented by the unified KC mark, is a mandatory product certification system for the South Korean market. It is primarily administered by the Korean Agency for Technology and Standards (KATS) and its authorized bodies.

This certification applies to a wide range of products entering the South Korean market, including electronic and electrical appliances, wireless communication equipment, information technology equipment, and children's products. Its purpose is to ensure that these products comply with Korean regulations regarding safety, electromagnetic compatibility (EMC), and energy efficiency.