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Dhimitër Ilo (1862–1947), one of the signatories of the Albanian Declaration of Independence •
Miikka Ilo (born 1982), Finnish footballer •
Spiridon Ilo (1876–1950), one of the founding fathers of Albania •
Ilo Wallace (1889–1981), wife of Henry A. Wallace, the 33rd Vice President of the United States ==Other uses==