| Unit Name: | Cohors I Brittonum milliaria |
| Dates: | ? |
| Country: | Roman Empire |
| Type: | Roman auxiliary cohort |
| Role: | infantry |
| Size: | 1000? men (1000? infantry) |
Cohors [prima] "Augusta Nervia Pacensis" / "Aurelia" / "Flavia Malvensis" Brittonum milliaria [peditata] ("[1st infantry 1000 strong] "venerable, Nervian and peaceful" / "Aurelian" / "Flavian" cohort of Brittones") was a Roman auxiliary infantry cohort. The cohort stationed in Dacia at castra Buridava, castra of Bumbești-Jiu (Gară) and Vârtop) and castra Malva.