The Class D52 is a type of 2-8-2 steam locomotive built by the Japanese Government Railways (Now Japanese National Railways) and various manufacturers: Kisha Seizo, Nippon Sharyo, Kawasaki Heavy Industries Rolling Stock Company, Hitachi, and Mitsubishi Heavy Industries from 1943 to 1946. The name consists of a "D" for the four sets of driving wheels and the class number 52 for tender locomotives that the numbers 50 through 99 were assigned to under the 1928 locomotive classification rule.

Most of the D52s have been scrapped. However, seven locomotives have been preserved.^{[citation needed]}

• D52 1, at JR Freight Hiroshima Depot
• D52 70 is semi-operational and runs on a short line, on compressed air, at a park in Yamakita, Kanagawa.
• D52 72, in Gotemba, Shizuoka
• D52 136, in Numazu, Shizuoka
• D52 235, in Kanuma Park, Sagamihara, Kanagawa^[1]
• D52 403, in Hiratsuka, Kanagawa^[1]
• D52 468, at the Kyoto Railway Museum, Kyoto^[2]

• D52 1, October 2005
• D52 70, April 2011
• D52 72, August 2022
• D52 136, March 2011
• D52 403, January 2011

• Japan Railways locomotive numbering and classification
• JNR Class 9600
• JNR Class D50
• JNR Class D51