| Attawapiskat 91 | |
| Settlement Type: | Indian reserve |
| Official Name: | Attawapiskat Indian Reserve No. 91 |
| Native Name: | Cree: ᐋᐦᑕᐙᐱᐢᑲᑐᐎ |
| Pushpin Map: | Canada Ontario |
| Pushpin Mapsize: | 200 |
| Coordinates: | 53.5833°N -103°W |
| Subdivision Type: | Country |
| Subdivision Type1: | Province |
| Subdivision Type2: | Division |
| Subdivision Name2: | Kenora District |
| Subdivision Type3: | First Nation |
| Subdivision Name3: | Attawapiskat |
| Leader Title1: | Chief |
| Leader Name1: | Sylvia Metatawabin/Koostachin |
| Leader Title2: | Deputy Chief |
| Leader Name2: | Jack jr linkalater |
| Established Title: | Established |
| Established Date: | 1950 |
| Area Land Km2: | 270.40 |
| Population As Of: | 2011 |
| Timezone: | EST |
| Utc Offset: | -5 |
| Timezone Dst: | EDT |
| Utc Offset Dst: | -4 |
| Website: | www.attawapiskat.org |
Attawapiskat 91 is a First Nations reserve in Kenora District, northwestern Ontario. It was the main reserve of the Attawapiskat First Nation, but most have moved to the new reserve at Attawapiskat 91A.