K23

K23 may refer to:


 * K-23 (Kansas highway)
 * K23 (album), a 2022 album by Kenia Os
 * "Conservati fedele", a concert aria by Wolfgang Amadeus Mozart
 * Cooperstown-Westville Airport, in Otsego County, New York
 * Honda K23 engine, an automobile engine
 * HSWMS Kalmar, a corvette of the Swedish Navy
 * Kandi K23, a Chinese microvan
 * R-23 (missile), a Soviet missile
 * Shintoku Station, in Hokkaidō, Japan
 * SOVIET SUBMARINE K-23