Viivi Dikson (until 1968 Viivi Rändsaar; January 19, 1942 Kohtla-Järve - January 25, 2010 Tallinn) was an Estonian actress.
She graduated from Kohtla-Järve 1st Secondary School in 1960 and from the Theater Arts Department of Tallinn State Conservatory in 1965.
In the years 1965–1975, she was an actress of the National Youth Theater of the Estonian SSR, and in 1977–1989, a lecturer at the Philharmonic, and in 1989–1991, the program director of Esto-Musika. Later she worked as an entrepreneur.