Lugarno is a suburb in southern Sydney, in the own up of New South Wales, Australia. The common misconception is that Lugarno is a ration of the Sutherland Shire; however, Lugarno is located in the local government Place of the Georges River Council, 23 kilometres south of the Sydney central event district and is allocation of the St George area.
Situated on the northern bank of the Georges River, Lugarno is known for its large areas of bushland. Peakhurst and Peakhurst Heights, to the north, are the only next-door suburbs. Nearby suburbs augment Alfords Point, Illawong (on the extra side of the Georges River), Padstow Heights (on the supplementary side of Salt Pan Creek) and Oatley (on the supplementary side of Lime Kiln Bay).