Surname Ridge (Ridge 
, 里奇 
, คนสัน 
) , throughout the world, is a common last name. The cognomen Ridge is habitual in Australia, where it is quite a rare surname, Ireland, and the United Kingdom. Not in comparison with a country's population, it is commonest in the United States, the United Kingdom, and Thailand. Very seldom, Ridge is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Ridge | Malaysia, United Kingdom, Democratic Republic of the Congo, Australia, United States |
| 里奇 | China |
| คนสัน, สันโดด | Thailand |
| john ridge English minister (b. 1590) |
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| thomas ridge British Member of Parliament (died 1730) (b. 1675) |
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| catherine ridge (born 1691) (b. 1691) |
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| thomas ridge English cricketer (1737-1801) (b. 1737) |
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| elizabeth ridge (1746-1808) (b. 1746) |
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john ridge American Indian politician, US (b. 1802) |
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john rollin ridge Cherokee novelist, US (b. 1827) |
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william pett ridge English novelist (b. 1859) |
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lola ridge Irish-American poet (1873-1941), US (b. 1873) |
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| charlotte margaret ridge (b. 1820) |
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| margaret ridge (b. 1852) |
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thomas l. ridge United States Marine Corps officer, US (b. 1915) |
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| frank ridge cricketer (1873-1959), AU (b. 1873) |
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| anne grimshaw ridge 1886- (b. 1886) |
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| antonia ridge writer and broadcaster (1895-1981), NL (b. 1895) |
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