Tir-nan-óg: The Forbidden Tower
- Original title
- ティル・ナ・ノーグ 禁断の塔
- Title translations
- Tir-nan-óg: The Forbidden Tower (English), Tir-nan-og: Kindan no Tou (Japanese Rōmaji)
- Also known as
- Tir-na-nÓg, Tir-nan-og, Tir-na-nog, ティルナノーグ
- Developed by
- System Soft
- Year
- 1990 (December)
- System
- MSX2