Lav Mirski (born Leo Fritz; 21 June 1893 – 29 April 1968) was a Croatian-Jewish conductor.

Mirski participated in the founding of the "Society for the advancement of science and arts" in Osijek, which in 1921 became the "City music school", and "Municipal conservatory".

With Mirski at head, Osijek philharmonic performed the most complex pieces of domestic and foreign composers.

[4] In April 1941, with the NDH regime in power, Mirski was fired from the Croatian National Theatre in Osijek.

From 1944 to 1947, Mirski was opera, symphony and radio orchestra conductor in Tel Aviv and Jerusalem.