St Leonards is a suburb on the lower North Shore of Sydney, in the state of New South Wales, Australia. St Leonards is located 5 km (3.1 mi) north-west of the Sydney central business district and lies across the local government areas of Municipality of Lane Cove, North Sydney Council and the City of Willoughby.
St Leonards has a commercial centre that complements the role of Chatswood, Lane Cove and North Sydney as one of the centres for business on the North Shore of Sydney. St Leonards contains one of Sydney's suburban skyscraper clusters, with major offices for many large companies including Toyota Financial Services, Lenovo, Oporto Chicken & Burgers, Manchester Unity, 3, Savvytel, CIMIC Group, Macquarie Radio Network and Channel 31 TV studio. The NSW Department of Education and Training host their Information Technology Directorate in Herbert Street. Gore Hill Technology Park is the site of current Fox Sports television studios. IBM had a large office with their logo on the skyscraper but have since moved to Sydney's CBD since 2018.
St Leonards railway station is on the North Shore & Western Line of the Sydney Trains network. The Pacific Highway is the major road through the suburb.