Family name Muagututia (Muagututia 
) , globally, is a very rare surname. The surname Muagututia is habitual in New Zealand, where it is a rare surname, Australia, where it is a very rare surname, and Canada, where it is an extremely rare surname. Measured by absolute frequency, it is the most numerous in the United States, Australia, and New Zealand. Very seldom, Muagututia is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Muagututia | New Zealand, Canada, United States, Australia |
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garrett muagututia American volleyball player, US (b. 1988) |
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| faauuga muagututia Olympic bobsleigh competitor for American Samoa, US (b. 1958) |
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| halakilangi muagututia American-football player (1978-) (b. 1978) |
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| muagututia sefuiva reupena researcher |
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| richard muagututia English rugby union player (b. 1988) |
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