Family name 博忠 (博忠 
) , across the world, is a very rare cognomen. The last name 博忠 is characteristic of Eastern Asia, particularly China, where it is an extremely rare surname. More prevalently, 博忠 is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| 博忠 | China |
| 久安 博忠 Japanese politician, JP (b. 1900) |
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| 川村 博忠 Japanese historian, JP (b. 1935) |
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