Meaning Kylin is a girls name of Celtic origin, it is a variant of Kyle which means "slender and narrow." Origin of Kylin Celtic , Irish Popular Middle Names Pronunciation 🔊 Listen Kylin KIH-lyn Similar Names Kylie Kyleigh Kaleigh Kailee Kiley Kyla Kayley Kyleena Caylee Keelia Year by Year Popularity of Kylin