Daniel Abraham Rabinovich Aratuz (November 18, 1943 – August 21, 2015) was an Argentine musician, writer, humorist and lawyer.
Born in Buenos Aires, Argentina, he cofounded the group Les Luthiers in 1967.Within Les Luthiers, Rabinovich sung and played guitar, drums, violin, and some of the group's invented instruments (most notably the "basspipe a vara").