Jean Marie River First Nation

{{Infobox First Nation

| band_name = Jean Marie River First Nation

| band_number = 770

| endonym = Tthets'ék'ehdélı̨

| image =

| caption =

| map =

| map_caption =

| people = Dene

| treaty = Treaty 11

| headquarters = Jean Marie River

| province = Northwest Territories

| main_reserve =

| reserve =

| area =

| pop_year = 2019

| on_reserve =

| on_other_land = 126

| off_reserve = 33

| total_pop =

| chief = Melania Norwegian Menacho

| council = Howard Gargan, Ericson Sanguez, Nolene Hardisty, Misty Ireland, Rhonda Grossetete, Margaret Ireland

| tribal_council = Dehcho First Nations

| website = [http://jmrfn.com/ jmrfn.com]

| footnotes = {{Cite web|title=First Nation Detail|access-date=August 20, 2019|website=Crown–Indigenous Relations and Northern Affairs Canada|publisher=Government of Canada|url=https://fnp-ppn.aadnc-aandc.gc.ca/fnp/Main/Search/FNMain.aspx?BAND_NUMBER=770&lang=eng}}

}}

The Jean Marie River First Nation, known as Tthets'ék'ehdélı̨ in its own Dene language, is a First Nations band government in the Northwest Territories. The band is headquartered in the community of Jean Marie River.

The Jean Marie River First Nation is a member of the Dehcho First Nations.{{Cite web|url=https://dehcho.org/community-page/tthetsehkedeli-first-nation-jean-marie-river-nt/|title=Tthets'ék'ehdélı̨ First Nation|website=Dehcho First Nations}}