| Unit Name: | 1st Brigade 1. brigada |
| Country: | Slovenia |
| Allegiance: | Slovenian Armed Forces |
| Type: | Infantry |
| Branch: | Army |
| Dates: | December 17, 1998-current |
| Specialization: | Infantry warfare |
| Command Structure: | Forces Command of the Slovenian Armed Forces |
| Size: | Brigade |
| Current Commander: | polkovnik Anton Tunja |
| Garrison: | Edvard Peperko Barracks, Ljubljana |
| Motto: | MI SMO PRVI WE ARE THE FIRST |
| Anniversaries: | 17 December |
1st Brigade (Slovenian: 1. brigada) is one of two Infantry brigades of the Slovenian Armed Forces and provides combat forces. The other is the 72nd Brigade. The 1st Brigade is responsible of the defence of westerm Slovenia.
It was formed on 17 December 1998.