| Ryuji Ichioka | |
| Position: | Pitcher |
| Bats: | Right |
| Throws: | Right |
| Birth Date: | 11 January 1991 |
| Birth Place: | Itoshima, Fukuoka, Japan |
| Debutdate: | May 16 |
| Debutyear: | 2012 |
| Debutteam: | Yomiuri Giants |
| Statyear: | 2020 season |
| Statleague: | NPB |
| Stat1label: | Win–loss record |
| Stat1value: | 16–14 |
| Stat2label: | Earned run average |
| Stat2value: | 2.79 |
| Stat3label: | Strikeouts |
| Stat3value: | 245 |
| Stat4label: | Saves |
| Stat4value: | 7 |
| Stat5label: | Holds |
| Stat5value: | 83 |
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is a former professional Japanese baseball player. He plays pitcher for the Hiroshima Toyo Carp.