Ilu or ILU may refer to: Ilu (drum), a Brazilian instrument Ilu, Iran, a village in Kurdistan Province, Iran Inter-Language Unification, WWW project International Longshoremen's Association, labor union Incomplete LU factorization ilu, the nominative plural masculine form of the Akkadian stem il-, "god" A species of plesiosaur-like creatures from the film franchise Avatar Abbreviation of the phrase "I Love You" in texting slang