| Cohors I Aelia Gaesatorum milliaria peditata sagittaria | |
|---|---|
 Roman infantry helmet (late 1st century) | |
| Active | ? |
| Country | Roman Empire |
| Type | Roman auxiliary cohort |
| Role | infantry |
| Size | 1000? men (1000? infantry) |
Cohors [prima] Aelia Gaesatorum milliaria [peditata] sagittaria ("[1st infantry 1000 strong] archer Aelian cohort of Gaesati") was a Roman auxiliary infantry regiment. The cohort stationed in Dacia, at castrum Resculum, and in Pannonia.