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 , a corvette of the Swedish Navy Kandi K23, a Chinese microvan R-23 (missile), a Soviet missile Shintoku Station, in Hokkaidō, Japan