Ottniell Jürissaar (27 March 1924 – 7 September 2014) was an Estonian poet, composer, and conductor.
[1] In 1943, Jürissaar, along with some forty classmates volunteered as soldiers of the Finnish Infantry Regiment 200.
He was captured and sentenced to five to ten years forced labor at a prison camp in Mordovia.
Ottniell Jürissaar wrote about 300 songs and instrumental pieces during his imprisonment and exile, including two operettas.
Jürissaar wrote a number of poetry collections and memoirs, including about the Forest Brother period and his experiences in the prison camps.