thumb|right|The River Quoich, near the Linn of Quoich, [[Braemar.]]
thumb|The Earl O Mar's Punchbowl
thumb|right|Overlooking the River Quoich from the top of a hill.
The River Quoich is a tributary of the River Dee in Aberdeenshire, Scotland. It flows in a generally southerly direction and is about 15 km long (including its upper reaches, known as Quoich Water, above the confluence with the Allt an dubh-ghlinne). The clachan of Allanaquoich is situated just above the river's confluence with the Dee. and a ten-year-old girl who fell into the river and drowned.