Old Errowanbang Woolshed is a heritage-listed shearing shed at Errowan Park, Old Errowanbang Lane, Errowanbang, Blayney Shire, New South Wales, Australia. It was designed by Watt and built in 1886. It is also known as Errowanbang Woolshed. It was added to the New South Wales State Heritage Register on 23 June 2006.