| Official Name: | Penajam |
| Settlement Type: | District |
| Pushpin Map: | Indonesia Kalimantan#Indonesia |
| Coordinates: | -1.25°N 166°W |
| Subdivision Type: | Country |
| Subdivision Name: | Indonesia |
| Subdivision Type1: | Province |
| Subdivision Name1: | East Kalimantan |
| Subdivision Type2: | Regency |
| Subdivision Name2: | Penajam North Paser |
| Elevation M: | 0 |
| Population Density Km2: | 33 |
| Timezone: | ICST |
| Utc Offset: | +8 |
Penajam is a town and the administrative capital of Penajam North Paser Regency, in East Kalimantan Province, Indonesia.
Penajam has a tropical rainforest climate (Af) with heavy rainfall year-round.