Pyrmont Post Office is a heritage-listed former post office and now bank branch office located at 148 Harris Street, in the inner city Sydney suburb of Pyrmont in the City of Sydney local government area of New South Wales, Australia. It was designed by the Government Architect’s Office under Walter Liberty Vernon. The property is owned by Australia Post, an agency of the Government of New South Wales. It was added to the Australian Commonwealth Heritage List on 22 June 2004 and to the New South Wales State Heritage Register on 22 December 2000.