Viik

Viik is a surname of both Finnish and Estonian origin. Viik may refer to:


 * Jaan Viik, Estonian Holocaust perpetrator
 * Linnar Viik (born 1965). Estonian information technology scientist and entrepreneur
 * Tommi Viik (born 1987), Finnish footballer
 * Tõnu Viik (astronomer) (born 1939), Estonian astronomer
 * Tõnu Viik (philosopher) (born 1968), Estonian philosopher