Riina Ries (born May 17, 1987 in Tallinn) is an Estonian actress.

As a native of Ōismäe, Riina Ries attended Järveotsa High School in Tallinn until the end of elementary school. In 2006, she graduated from the theater class of Tallinn's 32nd Secondary School.

She has played in the film "Klass" (Riina, 2007) and episodic roles in the TV series "Õnne 13" (2009-2014), "Kättemaksukontor" (Grit, 2010) and "Viimane võmm" (2015).

Riina Ries has worked in clubs Privé and Studio.