Family name Casimero (Casimero 
) , throughout the world, is quite a common last name. The cognomen Casimero is habitual in Philippines, where it is quite a rare surname, United Arab Emirates, where it is a rare surname, and Qatar. Measured by absolute frequency, the name is most common in Philippines, United Arab Emirates, and Saudi Arabia. Very seldom, Casimero is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Casimero | Kuwait, Philippines, United Arab Emirates, Oman, Saudi Arabia |
| casimero romero (1833-1912); (1833-1912), US (b. 1833) |
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johnriel casimero Filipino boxer, PH (b. 1990) |
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| charnete casimero researcher |
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