Last name Colaco (Colaco 
) , across the world, is a common cognomen. The surname Colaco is characteristic of Portugal, where it is quite a common surname, United Arab Emirates, where it is quite a rare surname, and Bahrain. In absolute terms, the name is most common in India, Brazil, and Portugal.
| VARIANT | COUNTRY |
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| Colaco | Portugal, Mozambique, United Arab Emirates, Brazil, India |
| cletus colaco IN (b. 1953) |
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| nicole colaco Canadian field hockey player, CA (b. 1970) |
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| marcelo colaco researcher |
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| alexandria colaco researcher (ORCID 0000-0001-8612-6357) |
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| andrea brazilin colaco Ph.D. Massachusetts Institute of Technology 2014 |
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| marc colaco researcher |
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| stacy colaco researcher |
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| william colaco footballer, IN (b. 1984) |
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| nicolau colaco footballer, IN (b. 1984) |
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| angelo colaco footballer, IN (b. 1989) |
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| jeromina colaco Indian association football player, IN |
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| joseph colaco American structural engineer |
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