A Diminutive Of Oliver Or Olivia, Oli Is A Gender-neutral Name That Can Be Used As A Nickname Or On Its Own. When Given To A Boy, The Name Means “elf Warrior” In Its Germanic Origins. In Latin, Its Meaning Is “olive Tree,” “olive Tree Planter” Or “the Peaceful One.” This Is Because In Ancient Greece, Olive Branches Were Used As Symbols Of Peace And Supplication Before Persons In Power Or The Gods. It’s A Cute Name For Baby If You Want Something That Feels Modern And Unisex But Has An Interesting And Powerful Historic Meaning.