| Klemen Čebulj | |
| Birth Date: | 21 February 1992 |
| Birth Place: | Slovenj Gradec, Slovenia |
| Height: | 2.02 m |
| Weight: | 94 kg |
| Spike: | 370 cm |
| Block: | 345 cm |
| Position: | Outside hitter |
| Currentclub: | Asseco Resovia |
| Currentnumber: | 18 |
| Years: | 2007–2008 2008–2011 2011–2012 2012–2013 2013–2015 2015–2017 2017–2018 2018–2019 2019 2019–2020 2020– |
| Teams: | OK Fužinar GOKOP Fram ACH Volley Altotevere San Giustino CMC Ravenna Volley Lube Power Volley Milano Shanghai Golden Age Power Volley Milano Itas Trentino Asseco Resovia |
| Show-Medals: | yes |
| Medals-Title: | Medal record |
Klemen Čebulj (born 21 February 1992) is a Slovenian volleyball player who plays for Asseco Resovia and the Slovenia national team. With Slovenia, he was the runner-up of the European Volleyball Championship three times, in 2015, 2019 and 2021.
On 14 August 2015, Slovenia, including Čebulj, won a gold medal in the 2015 European League.[1] With Slovenia, he was also a runner-up of the 2015 European Championship (lost 3–0 against France in the final).[2]