Karlskoga is the municipal seat of Karlskoga Municipality and the second-largest city in Värmland.
Karlskoga may also refer to:
Places edit
Sweden edit
- Karlskoga Municipality, municipality in Örebro County
- Karlskoga Socken, socken
Sports edit
- Karlskoga Motorstadion, motorsport race track
- Karlskoga IF
- BIK Karlskoga, ice hockey team