| Mahishi | |
| Type: | Village |
| Pushpin Map: | India Bihar#India |
| Pushpin Label Position: | right |
| Pushpin Map Caption: | Location in Bihar, India |
| Coordinates: | 25.8544°N 86.465°W |
| Coor Pinpoint: | Mahishi |
| Subdivision Type: | Country |
| Subdivision Name: |  India |
| Subdivision Type1: | State |
| Subdivision Name1: | Bihar |
| Subdivision Type2: | Region |
| Subdivision Name2: | Mithila |
| Subdivision Type3: | District |
| Subdivision Name3: | Saharsa |
| Unit Pref: | Metric |
| Area Code Type: | Telephone code |
| Area Code: | 06478 |
| Postal Code Type: | PIN |
| Postal Code: | 852216 |
| Registration Plate: | BR |
| Elevation M: | 47.0 |
| Population Total: | 19073 |
| Population As Of: | 2011 |
| Population Density Km2: | auto |
| Blank1 Name Sec2: | Regional Language |
| Blank1 Info Sec2: | Maithili |
| Blank2 Name Sec2: | Additional language |
| Blank2 Info Sec2: | Hindi, English |
| Timezone1: | IST |
| Utc Offset1: | +05:30 |
| Blank1 Name Sec1: | Sex ratio |
| Blank1 Info Sec1: | 900 females per 1000 males ♂/♀ ♂/♀ |
| Iso Code: | IN-BR |
Mahishi is a village situated in the Saharsa district of northern Bihar. It is 16 kilometers west of the Saharsa district headquarters and 8 kilometers west of Bangaon, Bihar. It is place of utmost religious importance due to Shaktipeeth of Goddess Ugratara. People of the village speak Maithili. The western Kosi embankment is only a few hundred meters away.