| Shigueto Yamasaki | |
| Birth Date: | July 30, 1966 |
| Birth Place: | Tremembé, São Paulo |
| Death Date: | January 19, 2021 |
| Death Place: | São Paulo, SP |
| Show-Medals: | yes |
Shigueto Yamasaki Júnior (July 30, 1966 - January 19, 2021) was a male judoka from Brazil.
Yamasaki claimed the gold medal in the Men's Bantamweight ( - 60 kg) division at the 1991 Pan American Games in Havana, Cuba. In the final he defeated Canada's Ewan Beaton. He represented his native country at the 1992 Summer Olympics.
He was the cousin of Mario Yamasaki.