Kim Seoung-il (Korean: 김성일; Korean pronunciation: [kim.sʌŋ.il]; 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.