William Sharp Macleay or McLeay (21 July 1792 – 26 January 1865) was a British civil servant and entomologist.After graduating, he worked for the British embassy in Paris, following his interest in natural history at the same time, publishing essays on insects and corresponding with Charles Darwin.Macleay moved to Havana, Cuba, where he was in turn commissioner of arbitration, commissary judge and then judge.