Povilas Ibianskis
Albinas Iešmanta (1887-10-27–1988-03-17)
V. Ignatavičius
Jonas Ilgūnas (1881-06-13–1956-05-28)
K. Iltners
Kazys Inčiūra (1906-09-25–1974-11-30)
Lionginas Indreika (1893–1950)
Robertas Ingersolis (1833–1899)
Joseph Holt Ingraham (1809-01-26–1860-12-18)
Haralambie Ionescu (1913–1977)
Karl Friedrich Irminger (1813–1863)
Mykolas Itomlenskis (1883–1960)
Jurga Ivanauskaitė (1961-11-14–2007-02-17)
Nikodemas Ivanauskas (~1839–1931)
Stasys Ivanauskas (1917–2006)
Tadas Ivanauskas (1882–1970)
Aleksej Ivanickij (1854–1920)
Konstantin Ivanov (1858–1919)
Zenonas Ivinskis (1908-05-25–1971-12-24)
I. Izrailevičius
Paul Jsenfels
Scipione Pulzone (1540–1542–1598)