Family name Gallos (Gallos 
) , across the world, is quite a common cognomen. The cognomen Gallos is habitual in Philippines, where it is quite a rare surname, Greece, and Hungary, where it is a rare surname. In absolute terms, this name is the most popular in Philippines, Greece, and the United States. Much less frequently, Gallos is the forename as well as the last name.
| hermann gallos Austrian singer and opera singer, AT (b. 1886) |
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| geza gallos Austrian association football player (1948-2013), AT (b. 1948) |
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| joan v. gallos (b. 1951) |
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| ioannis d gallos researcher ORCID ID = 0000-0002-2766-358X |
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| lazaros k. gallos researcher |
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| george gallos researcher (ORCID 0000-0003-3438-157X) |
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