Kallas is a common Estonian surname (meaning shore), and may refer to: Aino Kallas (1878–1956), Finnish-Estonian writer. Ene Kallas (born 1973), Estonian poet and journalist. Kaja Kallas (born 1977), Estonian politician. Karol Kallas (born 1972), Estonian art critic and journalist (:et) Kristina Kallas (born 1976), Estonian politician. Madis Kallas (born 1981), Estonian decathlete. Olimar Kallas (1929–2006), Estonian caricaturist and graphical artist. Oskar Kallas (1868–1946), Estonian diplomat and linguist. Raivo Kallas (born 1957), Estonian politician.
https://en.wikipedia.org/wiki/Kallas