Balet HNK Ivana pl. Zajca is the ballet company of Hrvatsko narodno kazalište Ivana pl. Zajca in Rijeka. The ensemble was founded in 1946 as part of the theatre’s opera and became an independent artistic branch on 21 September 1990. The company won the City of Rijeka Award in 1969 for its production of Vragolasta djevojka.
The company’s repertoire includes classical works such as Labuđe jezero, Giselle, Romeo i Julija, and Orašar, alongside contemporary and neoclassical productions. Historical productions have included Bahčisarajska fontana, Coppelia, Don Quijote, Šeherezada, Carmen, Carmina Burana, and Daphnis i Chloe. More recent titles include Mali princ, Pepeljuga, Pinocchio, Odiseja, Macbeth, and Ivica i Marica. The company has participated in international events, including performances at the International Dance Festival in Madrid.
The company operates an educational programme and has offered ballet and dance workshops led by ensemble members. During the theatre renovation in the late 1960s and 1970s, the company was temporarily housed in the hall of the Sušak skyscraper.