Not to be confused with:
- Fortress (Progressive Metal from Dortmund/Hagen, North Rhine-Westphalia)
- Fortress (Speed/Heavy Metal from Mainz, Rhineland-Palatinate w/ US vocalist Mark Dusan; released '87 demo)
- Fortress (Heavy Metal from Düsseldorf, North Rhine-Westphalia, active in the mid '80s)
- Fortress (Progressive Metal from Dortmund/Hagen, North Rhine-Westphalia)
- Fortress (Speed/Heavy Metal from Mainz, Rhineland-Palatinate w/ US vocalist Mark Dusan; released '87 demo)
- Fortress (Heavy Metal from Düsseldorf, North Rhine-Westphalia, active in the mid '80s)