Cerna (Crasna)

{{Infobox river

| name = Cerna

| native_name =

| native_name_lang =

| name_other =

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| image =

| image_size =

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| pushpin_map = Romania

| subdivision_type1 = Country

| subdivision_name1 = Romania

| subdivision_type2 = Counties

| subdivision_name2 = Maramureș, Satu Mare

| subdivision_type3 = Villages

| subdivision_name3 = Bicaz, Babța, Racova, Hurezu Mare

| length =

| width_min =

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| depth_min =

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| discharge1_location=

| discharge1_min =

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| source1 =

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| source1_coordinates=

| source1_elevation =

| mouth = Crasna

| mouth_location = Supuru de Jos

| mouth_coordinates = {{coord|47.4715|22.8035|display=inline,title}}

| mouth_elevation =

| progression = {{RCrasna}}

| river_system =

| basin_size =

| tributaries_left = Ciuta

| tributaries_right = Nanda

| custom_label =

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}}

The Cerna is a right tributary of the river Crasna in Romania.{{GeoSource|RO|Annex7|123}}{{GeoSource|RO|Atlas|91|II.2.21}} It discharges into the Crasna near Supur. Its length is {{convert|18|km|abbr=on}} and its basin size is {{convert|112|km2|abbr=on}}.{{GeoSource|RO|Atlas|91|II.2.21}}