Illi may refer to:
Arts, entertainment, and media illi (album), studio album by Taiwanese singer Wilber Pan
People Aleksander Illi (1912–2000), Estonian basketball player Nora Illi (1984–2020), Swiss Islamic preacher Illi Gardner (born 1999), British racing cyclist
Places Illi, Armenia, a settlement in Shirak Province, Armenia Illi, Tartu County, a village in Tartu County, Estonia Illi Lake Illi, Võru County, a village in Võru County, Estonia Illi, Iran, a village in East Azerbaijan Province, Iran
See also Mont Illi, a department of Mayo-Kebbi Est, Chad Ili (disambiguation) Illy (disambiguation)