Surname Tatsuzawa (Tatsuzawa 
) , around the world, is a very rare last name. The last name Tatsuzawa is habitual in Malaysia, where it is a very rare surname, Chile, and the United Kingdom, where it is an extremely rare surname. More prevalently, Tatsuzawa is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Tatsuzawa | Japan, United Kingdom, Malaysia, Chile, United States |
| asami tatsuzawa (b. 1967) |
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| shirow tatsuzawa researcher |
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| kotarō tatsuzawa actor (b. 1986) |
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