Sherna

{{Infobox river

| name = Sherna

| native_name = {{native name|ru|Шерна}}

| image = Sherna Filippovskoe.jpg

| image_caption = Sherna at Filippovskoye

| image_size = 200px

| subdivision_type1 = Country

| subdivision_name1 = Russia

| length = {{convert|89|km|abbr=on}}

| source1_location =

| source1_elevation =

| source1_coordinates =

| mouth = Klyazma

| mouth_elevation =

| mouth_coordinates = {{coord|55|50|42|N|38|34|27|E|region:RU_type:river_source:kolossus-cawiki|display=it}}

| discharge1_avg =

| progression = {{RKlyazma}}

| basin_size = {{convert|1890|km2|sqmi|abbr=on}}

| tributaries_left =

| tributaries_right =

}}

The Sherna ({{langx|ru|Ше́рна}}) is a river in Vladimir and Moscow Oblasts in Russia. It is a left tributary of the Klyazma. It has a length of 89 km, and a drainage basin of 1890 km².[http://textual.ru/gvr/index.php?card=179379 «Река ШЕРНА»], Russian State Water Registry The river is formed by the confluence of the rivers Seraya and Molokcha.