Kang played a single match for the South Korea U20 team in 2010, a 6–2 win over Hesse in Germany.[2] She made her full international debut on 4 June 2016 in a friendly against Myanmar, keeping a clean sheet in a 5–0 win.[2] She did not concede a goal until her seventh cap, a 1–0 defeat to Switzerland in the 2017 Cyprus Cup.[2]