Ioan Emanoil Florescu (; 7 August 1819, Râmnicu Vâlcea, Wallachia – 10 May 1893, Paris, France) was a Romanian army general who served as Prime Minister of Romania for a short time in a provisional government in 1876 (4 April – 26 April) and then in 1891 (21 February – 26 November). He also served as Chief of the General Staff in 1860 (30 May – 30 August) and then from 21 April 1864 to 1 May 1866.
Florescu is credited with carrying through the unification of the two armed forces of Wallachia and Moldavia following the unification of these two principalities and a thorough organization and modernization of the nascent Romanian army.
His cousin was Bonifaciu Florescu.