Height How tall is Olivia Newton-John? 2016-01-24 HeightCeleb Olivia Newton-John’s height is 5’6″ (168 cm) Related posts:How Tall is Apl.de.Ap?How Tall is Cesar Millan?How Tall is Andy Murray?How tall is Fiona Falkiner? Related posts: How Tall is Becki Newton? How Tall is Thandie Newton? How Tall is Olivia Thirlby? How Tall is Olivia Munn? 5'6'' Actress Height Olivia Newton-John Singer Woman