Liudas Jakavičius-Grimalauskas (10 August 1910, Riga, Latvia – 3 July 1998, Buenos Aires, Argentina) was a Lithuanian pianist, composer and theatre director. He was son of the writer and banker and Liudvikas Jakavičius and of Honorata Grimalauskaitė-Jakavičienė, daughter of a Polish-Lithuanian Duke[citation needed].