The King of Fighters 2002: Challenge to Ultimate Battle (stylized as KOF '02) is a 2002 competitive fighting game produced by Eolith and Playmore for the Neo Geo. It is the ninth game in The King of Fighters series and the second one to be produced by Eolith and developed by SNK Neo Geo (formerly Brezzasoft). The game was ported to the Dreamcast, PlayStation 2, and the Xbox, wherein the PS2 and Xbox versions were released in North America in a two-in-one bundle with the following game in the series, The King of Fighters 2003. NONA returned to do character artwork, as he had done since the previous installment.

SNK Playmore produced a remake titled The King of Fighters 2002 Unlimited Match for the PlayStation 2, which was released on February 26, 2009 in Japan. The Xbox Live Arcade version, on the other hand, was released on November 3, 2010. A port of the Xbox Live Arcade release was released on Steam on February 27, 2015.