Last name Imagawa (Imagawa 
, 今川 ) , all over the world, is a rare cognomen. The cognomen Imagawa is characteristic of Singapore, where it is a rare surname, Japan, where it is a very rare surname, and Brazil. Not in comparison with a country's population, it is commonest in Brazil, Japan, and Indonesia. Likewise, Imagawa is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Imagawa | China, Japan, Indonesia, Brazil, United States |
| 今川 | China |
| imagawa kuniuji samurai of the Kamakura period (b. 1243) |
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| imagawa motouji samurai of the late Kamakura period (b. 1259) |
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| imagawa norikuni daimyo of the Nanbokucho period (b. 1295) |
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| imagawa noriuji daimyo of the Nanbokucho period (b. 1316) |
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| imagawa ujikane samurai of the early-Muromachi period (b. 1325) |
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| imagawa yasunori daimyo of the Nanbokucho period (b. 1334) |
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| imagawa norimasa Shugo daimyo and poet (b. 1364) |
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| imagawa noritada daimyo of the Muromachi period (b. 1408) |
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| imagawa naofusa Japanese samurai of the early Edo period (b. 1594) |
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| imagawa ujinari samurai of the early Edo period (b. 1642) |
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| imagawa ujimichi samurai of the mid-Edo period (b. 1668) |
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| imagawa noritaka samurai of the mid-Edo period (b. 1694) |
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| imagawa norinushi samurai of the Edo period (b. 1698) |
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| imagawa norihiko samurai of the edo period (b. 1716) |
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| imagawa yoshiyasu samurai of the mid-Edo period (b. 1731) |
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