Riina (given name)

Riina is an Estonian and Finnish feminine given name, often a diminutive form of Katariina. People bearing the name Riina include:
 * Riina Gerretz (1939–2014), Estonian pianist
 * Riina Hein (born 1955), Estonian film actress, director, producer and screenwriter
 * Riina Kionka (born 1960), American-born Estonian diplomat
 * Riina Maidre (born 1982), Estonian actress
 * Riina Ruismäki (born 2001), Finnish aesthetic group gymnast
 * Riina Sikkut (born 1983), Estonian politician
 * Riina Sildos (born 1964), Estonian film producer
 * Riina Solman (born 1972), Estonian politician