| Official Name: | Chesterfield Inlet |
| Native Name: | ᐃᒡᓗᓕᒑᕐᔪᒃ Igluligaarjuk |
| Settlement Type: | Hamlet |
| Pushpin Map: | Canada Nunavut#Canada |
| Subdivision Type: | Country |
| Subdivision Name: | Canada |
| Subdivision Type1: | Territory |
| Subdivision Name1: | Nunavut |
| Subdivision Type2: | Region |
| Subdivision Name2: | Kivalliq |
| Subdivision Type3: | Electoral district |
| Subdivision Name3: | Rankin Inlet North-Chesterfield Inlet |
| Government Footnotes: | [1] [2] |
| Leader Title: | Mayor |
| Leader Name: | Barnie Aggark |
| Leader Title1: | Senior Administrative Officer |
| Leader Name1: | Richard Van Horne |
| Leader Title2: | MLA |
| Leader Name2: | Alexander Sammurtok |
| Established Title: | Settled |
| Established Date: | 1911, Hudson's Bay Company post |
| Established Title2: | Incorporated (hamlet) |
| Established Date2: | 1 April 1980 |
| Area Footnotes: | (2021) |
| Area Total Km2: | 139.49 |
| Population As Of: | 2021 |
| Population Total: | 397 |
| Population Density Km2: | auto |
| Timezone: | CST |
| Utc Offset: | −06:00 |
| Timezone Dst: | CDT |
| Utc Offset Dst: | −05:00 |
| Elevation Footnotes: | [3] |
| Elevation M: | 11 |
| Postal Code Type: | Canadian Postal code |
| Postal Code: | X0C 0B0 |
| Area Code: | 867 |
| Website: | chesterfield-inlet.ca/ |
Chesterfield Inlet (Inuktitut: Igluligaarjuk, syllabics: ᐃᒡᓗᓕᒑᕐᔪᒃ) is a hamlet located on the western shore of Hudson Bay, Kivalliq Region, in Nunavut, Canada, at the mouth of Chesterfield Inlet. Igluligaarjuk is the Inuktitut word for "place with few houses", it is the oldest community in Nunavut. The community is served by air, Chesterfield Inlet Airport, and by an annual supply known as sealift.
Inuit from the Chesterfield Inlet region are called Qaernermiut, though previously, they were referred to as Kenepitic, Kenepetu or Kenepitu.[4]
In the 2021 Canadian census conducted by Statistics Canada, Chesterfield Inlet had a population of 397 living in 116 of its 131 total private dwellings, a change of from its 2016 population of 437. With a land area of, it had a population density of in 2021.[5]
The community has been served by the Qiniq network since 2005. Qiniq is a fixed wireless service to homes and businesses, connecting to the outside world via a satellite backbone. The Qiniq network is designed and operated by SSI Micro. In 2017, the network was upgraded to 4G LTE technology, and 2G-GSM for mobile voice.
Chesterfield Inlet has a subarctic climate (Dfc) with short but cool summers and long cold winters.