Last name Madriaga (Madriaga 
) , worldwide, is a common surname. The family name Madriaga is habitual in Guam, where it is quite a common surname, Philippines, and Macao, where it is quite a rare surname. Not in comparison with a country's population, this name is the most popular in Philippines, the United States, and Chile.
| VARIANT | COUNTRY |
|---|---|
| Madriaga | Saudi Arabia, United Arab Emirates, Philippines, Chile, United States |
| ignacio madriaga (b. 1826) |
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| facundo madriaga PH (b. 1886) |
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| mariano madriaga PH (b. 1902) |
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tania madriaga Chilean sociologist and politician, CL (b. 1972) |
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| vinicius g c madriaga researcher (ORCID 0000-0002-1614-8283) |
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| manuel madriaga researcher ORCID ID = 0000-0003-2725-1718 |
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