Mariuccia Iacovino (12 December 1912 – 16 May 2008) was a Brazilian violinist and instructor.
A child prodigy on the violin, she studied in Brazil and Spain and performed internationally.
At the end of World War II, she moved to Paris and performed as a soloist with the Cologne Orchestra.
In 1964, she and the Quarteto da Guanabara received the first prize from the international Villa-Lobos String Quartet Competition and in 1966, she was awarded the Carlos Gomes Medal in Rio de Janeiro.