| Leon Jessen | |
| Fullname: | Leon Jessen |
| Birth Date: | 11 June 1986 |
| Birth Place: | Brande, Denmark |
| Position: | Left back |
| Youthyears1: | 2001–2003 |
| Youthyears2: | 2003–2005 |
| Youthclubs1: | Brande IF |
| Youthclubs2: | Ikast FS |
| Years1: | 2005–2010 |
| Clubs1: | Midtjylland[1] |
| Caps1: | 99 |
| Goals1: | 3 |
| Years2: | 2010–2015 |
| Clubs2: | 1. FC Kaiserslautern |
| Caps2: | 54 |
| Goals2: | 1 |
| Years3: | 2013–2015 |
| Clubs3: | → FC Ingolstadt 04 (loan) |
| Caps3: | 14 |
| Goals3: | 0 |
| Years4: | 2015–2016 |
| Clubs4: | Esbjerg fB |
| Caps4: | 33 |
| Goals4: | 0 |
| Nationalyears1: | 2004–2005 |
| Nationalteam1: | Denmark U-19 |
| Nationalcaps1: | 7 |
| Nationalgoals1: | 0 |
| Nationalyears2: | 2006–2008 |
| Nationalcaps2: | 7 |
| Nationalgoals2: | 0 |
| Nationalyears3: | 2006 |
| Nationalteam3: | Denmark U-20 |
| Nationalcaps3: | 1 |
| Nationalgoals3: | 0 |
| Nationalyears4: | 2009–2010 |
| Nationalteam4: | Denmark[2] |
| Nationalcaps4: | 4 |
| Nationalgoals4: | 0 |
Leon Jessen (born 11 June 1986) is a retired Danish football defender.
Jessen began his career 2001 with Brande IF and joined Ikast FS in 2003.[3] On 23 June 2010, Jessen left the Danish Superliga side FC Midtjylland after five years and signed with 1. FC Kaiserslautern in Germany (Bundesliga).[4]
On 10 July 2015, it was confirmed that Jessen had signed a three-year contract with Danish Superliga-side Esbjerg fB.[5]
It was announced on 31 December 2016 that Jessen would retire.[6]