Horace Günzburg (Goratsii Evzelevich Gintsburg, ??????? ????????? ????????, (Naftali-Gerts Evzelevich Gintsburg) 8 February 1833 in Zvenigorodka, Kiev Governorate, Russian Empire – 2 March 1909 in Saint Petersburg), 2nd Baron Günzburg, was a Russian philanthropist.