Lotrioara

{{for|the village in Sibiu County|Boița}}

{{Infobox river

| name = Lotrioara

| native_name =

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| image = Harta bazinului hidrografic al raului Lotrioara, afluent al Oltului.jpg

| image_size =

| image_caption = Lotrioara drainage basin

| pushpin_map = Romania

| subdivision_type1 = Country

| subdivision_name1 = Romania

| subdivision_type2 = Counties

| subdivision_name2 = Sibiu

| length = {{convert|25|km|abbr=on}}

| width_min =

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| source1 = Lotru Mountains

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| source1_elevation =

| mouth = Olt

| mouth_location =

| mouth_coordinates = {{coord|45.5619|24.2609|display=inline,title}}

| mouth_elevation =

| progression = {{ROlt}}

| river_system =

| basin_size = {{convert|120|km2|abbr=on}}

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}}

The Lotrioara (in its uppermost course also: Sterpu and Voinegel) is a right tributary of the river Olt in Romania.{{GeoSource|RO|Annex7|699}}{{GeoSource|RO|Atlas|291-292|VIII.1.124}} It originates in the Lotru Mountains. The Lotrioara discharges into the Olt in Lazaret.[http://www.e-calauza.ro/index.php?afiseaza=pluta_noua&rau=162 Lotrioara (jud. Sibiu)], e-calauza.ro Its length is {{convert|25|km|abbr=on}} and its basin size is {{convert|120|km2|abbr=on}}.{{GeoSource|RO|Atlas|291-292|VIII.1.124}}