Liudas Jakavicius-Grimalauskas (10 August 1910, Riga, Latvia – 3 July 1998, Buenos Aires, Argentina) was a famous Lithuanian pianist, composer and theatre director.
He was son of the writer and banker and Liudvikas Jakavicius and of Honorata Grimalauskaite-Jakaviciene, daughter of a Polish-Lithuanian Duke.