| Hiyu Motoyama | |
| Position: | Infielder |
| Team: | Saitama Seibu Lions |
| Number: | 30 |
| Bats: | Left |
| Throws: | Right |
| Birth Date: | 4 December 1998 |
| Birth Place: | Higashiōsaka, Osaka, Japan |
| Debutleague: | NPB |
| Debutdate: | March 27 |
| Debutyear: | 2021 |
| Debutteam: | Tokyo Yakult Swallows |
| Statyear: | 2023 season |
| Stat1label: | Batting average |
| Stat1value: | .234 |
| Stat2label: | Home runs |
| Stat2value: | 4 |
| Stat3label: | RBIs |
| Stat3value: | 22 |
| Teams: |
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| Highlights: | |
is a Japanese professional baseball infielder for the Saitama Seibu Lions of Nippon Professional Baseball (NPB). He has previously played in NPB for the Tokyo Yakult Swallows.
On March 27, 2021, Motoyama made his Nippon Professional Baseball (NPB) debut for the Tokyo Yakult Swallows.[1] [2]
On December 21, 2023, Motoyama was traded to the Saitama Seibu Lions in exchange for Tetsu Miyagawa.[3]