Surname 忠治 (忠治 
) , all around the world, is a rare last name. The family name 忠治 is characteristic of Eastern Asia, particularly China, where it is a very rare surname. More frequently, 忠治 is the forename as well as the last name.
| 島津 忠治 daimyo of the Muromachi period (b. 1489) |
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| 伊奈 忠治 (b. 1592) |
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町田 忠治 politician in the Empire of Japan, JP (b. 1863) |
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