| Niwar | |
| Other Name: | Pahadi Niwar |
| Settlement Type: | Town |
| Pushpin Map: | India Madhya Pradesh |
| Pushpin Label Position: | right |
| Pushpin Map Caption: | Location in Madhya Pradesh, India |
| Coordinates: | 24°N 80.4°W |
| Subdivision Type: | Country |
| Subdivision Name: |  India |
| Subdivision Type1: | State |
| Subdivision Name1: | Madhya Pradesh |
| Subdivision Type2: | District |
| Subdivision Name2: | Katni |
| Government Type: | Elected |
| Governing Body: | Gram Panchayat |
| Elevation M: | 387 |
| Population Total: | 12456 |
| Population As Of: | 2011 |
| Population Footnotes: | [1] |
| Demographics Type1: | Languages |
| Demographics1 Title1: | Official |
| Demographics1 Info1: | Hindi |
| Timezone1: | IST |
| Utc Offset1: | +5:30 |
| Postal Code Type: | PIN |
| Postal Code: | 483442 |
| Area Code Type: | Telephone code |
| Area Code: | 07622 |
| Registration Plate: | MP-21 |
Niwar, also known as Pahadi, is a town on the banks of the Niwar River in Katni District in Madhya Pradesh, India. It is the administrative headquarters of Katni District. It is located in the Mahakoshal Region of Central India.