Kim Nousiainen (born 14 November 2000) is a Finnish professional ice hockey defenceman currently playing for the Lukko of the Liiga.

[2] In his third full season with KalPa in 2021–22, Nousiainen was named an alternate captain and posted 4 goals and 14 points in 35 games.

On 28 March 2022, Nousiainen left KalPa and moved to North America, joining the Kings organization in signing an amateur tryout contract with primary AHL affiliate, the Ontario Reign, for the remainder of the season.

[3] Nousiainen was then promptly signed to a three-year, entry-level contract with the Kings commencing in the 2022–23 season, on 31 March 2022.

[5] In returning to his native Finland, Nousiainen was signed to a one-year contract to resume his career in the Liiga with Lukko on 3 June 2024.