Hans Kaldoja (15 November 1942 – 1 December 2017)[1] was an Estonian stage, television, film, and radio voice actor whose career began in the mid-1960s.

[2][4] Some of his more notable stage roles at the Estonian Drama Theatre include those in works by such varied international playwrights and authors as: Edvard Radzinsky, Johann Wolfgang von Goethe, William Shakespeare, Maxim Gorky, Friedrich Schiller, Alexander Vampilov, Aleksandrs Čaks, Maurice Maeterlinck, Edward Bond, Robert Lamoureux, and Françoise Sagan.

Notable roles in works by Estonian playwrights and authors include those by Boris Kabur, Egon Rannet, Oskar Luts, A. H. Tammsaare, Aino Kallas, Mats Traat, Jaan Kruusvall, Rein Saluri, and Artur Adson.

Other notable television roles were as Dr. Saar, in the 1995 Eesti Televisioon (ETV) Vilja Palm directed historical miniseries Wikmani poisid, based on the 1988 novel of the same name by Jaan Kross; Erik Kiin, in the 1995–2001 EVTV/TV3 drama V.E.R.I.

[6] In 2005, Kaldoja appeared in the role of Aivo Barbo in the Ilmar Raag directed ETV television drama film August 1991, which was a dramatisation of the failed Soviet attempt to suppress Estonia's push to regain independence.

[8] In 1965, while still a student at Viktor Kingissepp Tallinn State Academic Drama Theatre (TRA Draamateater), Kaldoja appeared in minor roles credited simply as "young man" in two romantic musical film shorts, Kolmest kaheteistkümneni and Autostopp, both directed by Virve Aruoja and Astrid Lepa.

[9] The following year, he had an uncredited role as a monk in the Grigori Kromanov directed Tallinnfilm medieval adventure feature film Viimne reliikvia, adapted from the 1893 novella Vürst Gabriel ehk Pirita kloostri viimsed päevad by Eduard Bornhöhe.

[11] In 1986, he appeared in the small role of Member of the III Military Court in the Viktor Kingissepp biopic Saja aasta pärast mais , directed by Kaljo Kiisk and penned by Mati Unt for Tallinnfilm.

In 1974, he spent the summer in the Kamchatka Peninsula's Valley of Geysers in the Russian Far East, with close friend, actor and theatre director Raivo Trass.