The Lister Medal is an award presented by the Royal College of Surgeons of England in recognition of contributions to surgical science.
It is named after the English surgeon Joseph Lister (1827–1912), whose work on antiseptics established the basis of modern sterile surgery.
They were entrusted with the task of awarding a monetary prize and a bronze medal (gold since 1984) every three years, irrespective of nationality, to those who had made outstanding contributions to surgical science.
The reverse side has the recipient's name across centre, and around the edge of the medal is text naming the award along with the dedication: FOR DISTINGUISHED CONTRIBUTIONS TO SURGICAL SCIENCEOn the occasion of the award, the medallist delivers the Lister Oration (sometimes called the "Lister Memorial Lecture").
The most recent award was made in 2015, with a total of 27 people having received the medal to date.