Kärt Kull (until 2023, Kärt Tammjärv; born June 11, 1991) is an Estonian actress. She was born in Tallinn and graduated in 2010 from Pelgulinna Gymnasium, in addition, she has studied at Tallinn Music School and the Arsis Handbell School. In 2014 she graduated from the Estonian Academy of Music and Theatre. Since 2014 she has been an actress at the Vanemuine Theater.