Commonwealth Mountain

{{Short description|Mountain in Nunavut, Canada}}

{{Infobox mountain

| name = Commonwealth Mountain

| photo =

| photo_caption =

| elevation_m = 2225

| elevation_ref =

| prominence_m =

| prominence_ref=

| range = Challenger Mountains

| listing = Mountains of Canada

| location = Ellesmere Island, Nunavut, Canada

| part_type = Protected area | part = Quttinirpaaq National Park

| map = Canada Nunavut

| map_caption = Location in Nunavut

| coordinates = {{coord|82|24|N|76|45|W|type:mountain_region:CA-NU|display=inline,title|name=Commonwealth Mountain}}

| coordinates_ref={{cite cgndb|id=OADRX|name=Commonwealth Mountain|access-date=2023-11-02}}

| topo = NTS {{Canada NTS Map Sheet|340|E|6}}

| type =

| age =

| first_ascent =

| easiest_route =

}}

Commonwealth Mountain is a mountain on Ellesmere Island, Nunavut, Canada. It lies in western Quttinirpaaq National Park, which is the most northerly extent of Canada, and is the second most northerly park on Earth after Northeast Greenland National Park.

With a height of {{convert|2225|m|0|abbr=on}}, it is highest point of the Challenger Mountains which in turn form part of the Arctic Cordillera mountain range.{{cite peakbagger |pid=662 |name=Commonwealth Mountain, Nunavut|access-date=2023-11-02}}