Mattias Karlsson
Mattias Karlsson is the name of the following people:
- Mattias Karlsson (orienteer, 1972) ( Mattias Vagnis Karlsson ; * 1972), Swedish orienteer
- Mattias Karlsson (politician) (* 1977), Swedish politician
- Mattias Karlsson (orienteer, 1984) (* 1984), Swedish orienteer
- Mattias Karlsson (ice hockey player) (* 1985), Swedish ice hockey player
- Mattias Karlsson (* 1991), Swedish table tennis player, see Mattias Falck