| Calmus | |
| Native Name: | Kaalmes |
| Settlement Type: | Former commune of Luxembourg |
| Subdivision Type: | Country |
| Subdivision Name: | Luxembourg |
| Subdivision Type1: | District |
| Subdivision Name1: | Diekirch |
| Subdivision Type2: | Canton |
| Subdivision Name2: | Redange |
| Established Title: | Created |
| Established Date: | Original commune |
| Extinct Title: | Abolished |
| Extinct Date: | 8 August 1822 |
| Blank Name Sec1: | Currently |
| Blank Info Sec1: | Part of Saeul |
Calmus (Luxembourgish; Letzeburgesch: Kaalmes) is a small village in the commune of Saeul, in western Luxembourg., the village has a population of 210.[1]