| Sport: | Short track speed skating |
| Kim Seoung-il | |
| Birth Date: | 19 December 1990 |
| Birth Place: | Daegu, South Korea |
| Height: | 174 cm |
| Weight: | 60 kg |
| Hangul: | 김성일 |
| Hanja: | 金成一 |
| Rr: | Gim Seong-il |
| Mr: | Kim Sŏng-il |
Kim Seoung-il (; pronounced as /ko/; born 19 December 1990 in Daegu) is a South Korean short track speed skater.[1]
At the 2009 Winter Universiade, Kim won silver medals behind future Olympic speed skating gold medalist Lee Seung-hoon in the men's 1500 metre and 300 metre events. He added bronze in the 5000 metre relay, combining with Lee Seung-hoon.
Kim earned a silver medal at the 2010 Winter Olympics after skating in the semifinals of the 5000 metre relay.