Names starting with I
- Iacob, Caius (1912 - 1992)
- ibn al-Banna (1256 - 1321)
- ibn Iraq, Mansur (970 - 1036)
- ibn Ishaq Hunayn (808 - 873)
- ibn Labban, Kushyar (971 - 1029)
- ibn Qurra, Thabit (836 - 901)
- ibn Sina (980 - 1037)
- ibn Sinan, Ibrahim (908 - 946)
- ibn Tahir (980 - 1037)
- ibn Tibbon, Jacob (1236 - 1305)
- ibn Yunus, Abu'l-Hasan (950 - 1009)
- ibn Yusuf Ahmed (835 - 912)
- Ibrahim, ibn Sinan (908 - 946)
- Ikeda, Masatoshi (1926 - 2003)
- Illa, Esteban Terradas i (1883 - 1950)
- Ille, Hildegard Rothe- (1899 - 1942)
- Ince, Edward (1891 - 1941)
- Infeld, Leopold (1898 - 1968)
- Ingarden, Roman (1920 - 2011)
- Ingham, Albert (1900 - 1967)
- Insolera, Filadelfo (1880 - 1955)
- Ionescu, Ion (1870 - 1946)
- Iraq, Mansur ibn (970 - 1036)
- Iribarren, Gonzalo PĂ©rez (1936 - 1998)
- Isaacs, Rufus (1914 - 1981)
- Ismail, Gamal (1950 - )
- Ito, Kiyosi (1915 - 2008)
- Itzkowitz, Ida Rhodes (1900 - 1986)
- Ivashkina, Elizaveta Litvinova (1845 - 1919)
- Ivory, James (1765 - 1842)
- Iwanik, Anzelm (1946 - 1998)
- Iwasawa, Kenkichi (1917 - 1998)
- Iyahen, Sunday (1937 - 2018)
- Iyanaga, Shokichi (1906 - 2006)
- Ize, Jorge (1946 - 2012)