Eleonora Zrza (22 May 1797 – 1 November 1862), was a Danish opera soprano. She was active at the Royal Danish Theatre in 1816–1845, and was regarded as one of the leading forces of the Danish opera at the first half of the 19th century. She was born in Bagsværd.

• Zrza, Eleonore Christine i Carl Frederik Bricka, Dansk Biografisk Leksikon