Cognomen Bacalso (Bacalso 
) , all around the world, is a common last name. The cognomen Bacalso is habitual in Philippines, where it is quite a common surname, Qatar, where it is quite a rare surname, and United Arab Emirates. Measured by absolute frequency, it is commonest in Philippines, Saudi Arabia, and United Arab Emirates.
| VARIANT | COUNTRY |
|---|---|
| Bacalso | Philippines, United Arab Emirates, Saudi Arabia, United States, Qatar |
| natalio bacalso Filipino Visayan newspaperman, filmmaker, Constitutional Convention delegate and assemblyman, PH (b. 1908) |
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| joanna bacalso actress, PH (b. 1976) |
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| leimomi bacalso |
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