Surname Mcgwire (Mcgwire 
, マグワイア) , worldwide, is a very rare last name. The family name Mcgwire is habitual in the United States, where it is a very rare surname, Canada, and the United Kingdom, where it is an extremely rare surname. Also, Mcgwire is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Mcgwire | Poland, Canada, United Kingdom, United States |
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mark mcgwire American baseball player and coach, US (b. 1963) |
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| dan mcgwire American football player, US (b. 1967) |
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| joseph mcgwire Peerage person ID=381525 |
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| elizabeth sophia mcgwire (died 1879) |
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| samuel edward mcgwire (died 1886) |
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