Kou language
{{Short description|Rai Coast language spoken in Papua New Guinea}}
{{Infobox language
|name=Kou
|nativename=Sinsauru
|states=Papua New Guinea
|region=Madang Province
|ethnicity=
|speakers=500
|date=2003
|ref=e18
|speakers2=(unclear if figure includes speakers of "Asas")
|familycolor=Papuan
|fam1=Trans–New Guinea
|fam2=Madang
|fam3=Rai Coast
|fam4=Evapia
|iso3=snz
|glotto=asas1241
|glottorefname=Asas-Sinsauru
}}
Kou (Kow), or Sinsauru, is a Rai Coast language spoken in Madang Province, Papua New Guinea. The putative "Asas" language is just the Kou spoken in Asas village.