Urauchi River

{{Infobox river

| name = Urauchi River

| native_name ={{native name|ja|浦内川}}

| image = Urauchi River Iriomote 2007-04-05.jpg

| image_size =

| image_caption =

| source1_location =

| mouth_location = East China Sea

| subdivision_type1 = Country

| subdivision_name1 = Japan

| length = {{convert|18.8|km|mi|abbr=on}}

| source1_elevation = {{convert|311.7|m|ft|abbr=on}}

| mouth_elevation =

| discharge1_avg = {{convert|120|m3/s|cuft/s|abbr=on}}

| basin_size = {{convert|54.24|km2|sqmi|abbr=on}}

}}

The {{nihongo|Urauchi River|浦内川|Urauchi-gawa}} flows through the central portion of the island of Iriomote in the Yaeyama District in Okinawa Prefecture, Japan. It is the longest river in Okinawa.{{Cite web | url = http://www.fish-isj.jp/iin/nature/teian/150601.html | title = 沖縄県西表島浦内川からの取水に関する質問状 | publisher = 日本魚類学会 自然保護委員会 | date = 2015-05-29 | archiveurl = https://web.archive.org/web/20180122125725/http://www.fish-isj.jp/iin/nature/teian/150601.html | archivedate = 2018-01-22 }}