Surname Tsukakoshi (Tsukakoshi 
) , in all the world, is a very rare cognomen. The family name Tsukakoshi is habitual in Singapore, where it is a rare surname, New Zealand, where it is a very rare surname, and Australia. Measured by absolute frequency, this name is the most popular in Singapore, Australia, and the United States. Much less frequently, Tsukakoshi is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Tsukakoshi | Germany, China, Australia, Singapore, United States |
Tsukagoshi, Tukakosi, and ツカコシ
| tomoko tsukakoshi Japanese psychologist, CH (b. 1973) |
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| kimie tsukakoshi Australian actress, AU (b. 1999) |
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