Cailhau

{{short description|Commune in Occitanie, France}}

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

{{Expand French|date=December 2008|Cailhau|topic=geo}}

{{Infobox French commune

|name = Cailhau

|commune status = Commune

|image = Cailhau.jpg

|caption = The church and surroundings in Cailhau

|image coat of arms = Blason de la ville de Cailhau (11).svg

|arrondissement = Limoux

|canton = La Piège au Razès

|INSEE = 11058

|postal code = 11240

|mayor = Bernard Ragnère{{cite web|title=Répertoire national des élus: les maires|url=https://www.data.gouv.fr/fr/datasets/r/2876a346-d50c-4911-934e-19ee07b0e503|publisher=data.gouv.fr, Plateforme ouverte des données publiques françaises|date=13 September 2022|language=fr}}

|term = 2020–2026

|intercommunality =

|coordinates = {{coord|43.1478|2.1372|format=dms|display=inline,title}}

|elevation m = 221

|elevation min m = 195

|elevation max m = 346

|area km2 = 9.76

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

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

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

}}

Cailhau ({{IPA|fr|kajo|lang|LL-Q150 (fra)-Guilhelma-Cailhau.wav}}; {{langx|oc|Calhau}}) is a commune in the Aude department in southern France.