| Armu | |
|---|---|
&sq=&lang=&file=File:Russia_rel_location_map.png)  Location of mouth | |
| Location | |
| Country | Russia |
| Region | Primorsky Krai |
| Physical characteristics | |
| Mouth | Bolshaya Ussurka |
• coordinates | 45°45′47″N 135°28′02″E / 45.76306°N 135.46722°E |
| Length | 201 km (125 mi) |
| Basin size | 5,424 km2 (2,094 sq mi) |
| Basin features | |
| Progression | Bolshaya Ussurka→ Ussuri→ Amur→ Sea of Okhotsk |
The Armu (Russian: Арму) is a river in Krasnoarmeysky District of Primorsky Krai, a tributary of the Bolshaya Ussurka.
It is 201 kilometres (125 mi) long. The river's drainage basin covers about 5,424 square kilometres (2,094 sq mi). The longest tributary of the Armu is the Obilnaya, 101 kilometres (63 mi) long.
The river is a popular place of tourism and fishing. One brand of vodka has been named after it.