Across the world, Tuguchi (Tuguchi 
) is an extremely rare unknown gender first name. Much more prevalently, Tuguchi is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Tuguchi | Brazil, Georgia |
Cuki, Kunichiku, Tochiku, Totsugi, Totsuki, Tozuki, Tsuduki, Tsuguchi, Tsujiku, Tsuki, Tsukushi, Tsutsugi, Tsutsui, Tsutsuki, Tsuzuki, Tsuzuku, Tsuzura, Tuduki, Tuduku, Tudura, Tuguti, Tuki, Tukidi, Tukiji, Tukushi, Tukusi, Tutui, Tutuki, Tuzuki, Tuzura, Цуцуи, ツグチ, and トウグチ