| Lukas Karlsson | |
| Nationality: | Swedish |
| Birth Date: | 21 May 1982 |
| Birth Place: | Nyköping, Sweden |
| Position: | Centre back |
| Currentclub: | Ribe-Esbjerg HH |
| Clubnumber: | 9 |
| Years1: | - |
| Clubs1: | IFK Nyköbing |
| Years2: | -2007 |
| Clubs2: | Hammarby IF |
| Years3: | 2007-2008 |
| Clubs3: | Viborg HK |
| Years4: | 2008-2012 |
| Clubs4: | KIF Kolding |
| Years5: | 2012-2016 |
| Clubs5: | KIF Kolding København |
| Years6: | 2016- |
| Clubs6: | Ribe-Esbjerg HH |
| Nationalyears1: | 2003- |
| Nationalteam1: | Sweden |
| Nationalcaps1: | 80[1] |
| Nationalgoals1: | 160 |
| Manageryears1: | 2017– |
| Managerclubs1: | REHH (Ass. Coach) |
Lukas Karlsson (born 21 May 1982) is a Swedish handball player, currently playing for KIF Kolding. He joined the club in 2009 from Viborg HK. Until 2007 he played for the Swedish Elitserien club Hammarby IF.
Karlsson has previously appeared for the Swedish national handball team. He is married to Norwegian international Ida Bjørndalen.