Buyunda

{{Infobox river

| name = Buyunda

| other_name = Буюнда

| image = Долина Буюнды - panoramio.jpg

| image_caption = Buyunda valley

| pushpin_map = Russia Magadan Oblast

| pushpin_map_size =

| pushpin_map_caption= Mouth location in Magadan Oblast, Russia

| source1_location = Kilgan Massif
Kolyma Mountains

| source1_elevation = {{convert|1778|m|abbr=on}}

| source1_coordinates = {{coord|60|51|55|N|153|33|59|E|source:wikidata-and-enwiki-cat-tree_region:RU}}

| mouth = Kolyma

| mouth_location =

| mouth_coordinates = {{coord|62|45|40|N|152|34|30|E|source:wikidata-and-enwiki-cat-tree_region:RU|display=it}}

| progression = {{RKolyma}}

| mouth_elevation =

| length = {{convert|434|km|abbr=on}}

| discharge1_avg = {{convert|215|m3/s|cuft/s|abbr=on}}

| basin_size = {{convert|24800|km2|abbr=on}}

| subdivision_type1 = Country

| subdivision_name1 = Magadan Oblast, Russia

}}

The Buyunda ({{langx|ru|Буюнда}}) is a river in Magadan Oblast, Russian Far East. It is a right tributary of the Kolyma, with a length of {{convert|434|km|mi}} and a drainage basin of {{convert|24800|km2|mi2}}.{{GVR|265319|Река Коркодон}}Google Earth{{cite web|url=https://maps.vlasenko.net/smtm1000/q-55_56.jpg|title=Топографска карта Q-55 56; M 1:1 000 000 - Topographic USSR Chart (in Russian)|access-date=6 January 2022}}

Together with the Seymchan that flows roughly southwards on the facing bank of the Kolyma basin, the Buyunda forms the Seymchan-Buyunda Depression, which limits the Upper Kolyma Highlands from the east.

{{cite web|url=https://water-rf.ru/%D0%92%D0%BE%D0%B4%D0%BD%D1%8B%D0%B5_%D0%BE%D0%B1%D1%8A%D0%B5%D0%BA%D1%82%D1%8B/1548/%D0%9A%D0%BE%D1%80%D0%BA%D0%BE%D0%B4%D0%BE%D0%BD|title=Water of Russia - Buyunda (in Russian)|access-date=6 January 2022}}

The name of the Buyunda originated in the Evenki language, meaning "where there are wild deer".