Kiiri Tamm (born January 7, 1962) is an Estonian stage, television and film actress and stage manager.

Kiiri Tamm was born in Tallinn, but raised mainly in Kuressaare, on the island of Saaremaa. She graduated from secondary school in 1980 from Kingissepa High School No. 1 School (now, Saaremaa Gymnasium, abbreviated SÜG). Afterwards, she attended the Tallinn State Conservatory, Performing Arts Department (now, the Estonian Academy of Music and Theatre) studying under instructor Mikk Mikiver, graduating in 1984. Among her graduating classmates were Rita Rätsepp, Margus Tabor, Terje Pennie, Gita Ränk, Toomas Urb, and Peeter Sauter.

Following graduation Tamm joined the Rakvere Theatre as an actress in 1984. She would be engaged at the theatre until 1994. Some of her most important roles at the Rakvere Theatre were in production of works by: Shakespeare, Oscar Wilde, Tennessee Williams, A. H. Tammsaare, Lydia Koidula, Henrik Ibsen, Bernard Kangro, and Hans Christian Andersen.

Following her departure from Rakvere, she joined the Ugala theatre in Viljandi in 1994, where she is still engaged as an actress. Notable roles at the Ugala include those in productions of works by such varied authors and playwrights as: Thornton Wilder, Agatha Christie, Arthur Miller, Victor Hugo, Fyodor Dostoyevsky, Oskar Luts, August Gailit, Ben Elton, Eve Ensler, Hella Wuolijoki, Leo Tolstoy, Astrid Lindgren, Anton Chekhov, Tõnu Õnnepalu, Terry Pratchett, Emili Werner Fassbinder, and Tom Stoppard, among others. Since 2005, Tamm has also been a stage manager at the Ugala.

Tamm has also appeared in roles at a number of other theatres throughout Estonia, including the Von Krahl Theatre in Tallinn, the Kuressaare Linnateater, and the Vanemuine in Tartu.