:Serno

{{Infobox German location

|type = Stadtteil

|Town = Coswig (Anhalt)

|image_coa = DE-ST 15-0-91-060 Serno COA.png

|coordinates = {{coord|52|00|N|12|25|E|format=dms|display=inline,title}}

|image_plan =

|state = Sachsen-Anhalt

|district = Wittenberg

|elevation = 119

|area = 33.86

|population = 443

|Stand = 2006-12-31

|postal_code = 06862

|area_code = 034907

|licence = WB

}}

Serno is a village and a former municipality in the district of Wittenberg, Saxony-Anhalt, Germany. Since 1 January 2009, it is part of the town Coswig (Anhalt).