Lamplighters Marsh (grid reference ST524764) is a public open space near Shirehampton in the city of Bristol, England. It is a narrow strip of land between the railway line which connects Bristol to Avonmouth, and the River Avon. The site contains two main types of vegetation: an area of marsh, which contains a varied plant community, including Water Parsnip and Wild Celery, and an area of wasteland which is also botanically notable, with species including Narrow-leaved Everlasting-pea. The site is designed a Site of Nature Conservation Interest.