Riantec

{{Use dmy dates|date=August 2023}}

{{Infobox French commune

|name = Riantec

|native name = Rianteg

|commune status = Commune

|image = Riantec7.JPG

|caption = The church in Riantec

|image coat of arms = Blason ville fr Riantec (Morbihan).svg

|coordinates = {{coord|47.7117|-3.3092|format=dms|display=inline,title}}

|INSEE = 56193

|postal code = 56670

|arrondissement = Lorient

|canton = Hennebont

|mayor = Jean-Michel Bonhomme{{cite web|url=https://www.morbihan.gouv.fr/content/download/45068/325032/file/Maires%20du%20Morbihan%202020%20-%20250.pdf|title=Maires du Morbihan|date=7 July 2020|publisher=Préfecture du Morbihan}}

|term = 2020–2026

|intercommunality = Lorient Agglomération

|elevation min m = 0

|elevation max m = 35

|area km2 = 14.06

|population = {{France metadata Wikidata|population_total}}

|population date = {{France metadata Wikidata|population_as_of}}

|population footnotes = {{France metadata Wikidata|population_footnotes}}

}}

Riantec ({{IPA|fr|ʁjɑ̃tɛk}}; {{Langx|br|Rianteg}}) is a commune in the Morbihan department of Brittany in north-western France.[https://www.insee.fr/fr/metadonnees/geographie/commune/56193-riantec INSEE commune file]