| Chei Byung-yong | |
| Team: | SK Wyverns |
| Number: | 45 |
| Position: | Relief pitcher |
| Birth Date: | 25 April 1982 |
| Birth Place: | Gunsan, North Jeolla |
| Bats: | Right |
| Throws: | Right |
| Debutleague: | KBO |
| Debutdate: | April 7 |
| Debutyear: | 2002 |
| Debutteam: | SK Wyverns |
| Statyear: | June 9, 2019 |
| Statleague: | KBO |
| Stat1label: | Win–loss record |
| Stat1value: | 84–73 |
| Stat2label: | Earned run average |
| Stat2value: | 4.21 |
| Stat3label: | Strikeouts |
| Stat3value: | 968 |
| Stat4label: | Holds |
| Stat4value: | 29 |
| Stat5label: | Saves |
| Stat5value: | 22 |
| Teams: |
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| Hangul: | 채병용 |
| Hanja: | 蔡秉龍 |
| Rr: | Chae Byeongnyong |
| Mr: | Ch'ae Pyŏngnyong |
Chei Byung-yong (; born April 25, 1982) is a South Korean professional baseball pitcher currently playing for the SK Wyverns of the KBO League.[1]