HMS Leander (F109) was the nameship of the Leander-class frigate of the Royal Navy (RN). She was originally intended to be part of the Rothesay class and would have been known as Weymouth. Leander was, like the rest of the class, named after a figure of mythology. She was built by the famous Harland & Wolff of Belfast. Leander was launched on 28 June 1961, and commissioned on 27 March 1963.