In English, name Lianne means – Variant of Leanne: A compound of Lee: wood, and Anne: grace, favour. Can also be a diminutive of Julianne: downy, hairy. Can also be derived from Helen: Liight; beautiful woman, and a variant of Liana: Youthful; bond.. Name Lianne originated as an English name. Name Lianne is most often used as a girl name or female name.