| Yukiya Yokoyama | |
| Position: | Pitcher |
| Birth Date: | 1 June 1977 |
| Birth Place: | Ebina, Kanagawa, Japan |
| Bats: | Right |
| Throws: | Right |
| Debutleague: | NPB |
| Debutdate: | July 6 |
| Debutyear: | 1997 |
| Debutteam: | Yokohama BayStars |
| Finaldate: | June 26 |
| Finalyear: | 2009 |
| Finalteam: | Yokohama BayStars |
| Statleague: | NPB |
| Statyear: | 2009 |
| Stat1label: | Win–loss record |
| Stat1value: | 21–26 |
| Stat2label: | Earned run average |
| Stat2value: | 3.89 |
| Stat3label: | Strikeouts |
| Stat3value: | 387 |
| Stat4label: | Saves |
| Stat4value: | 45 |
| Teams: | As player
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| Highlights: |
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is a Japanese former Nippon Professional Baseball pitcher.[1]