General Robert Melvill (or Melville) FRSE FRS FSA(Scot) FSA LLD (12 October 1723 – 29 August 1809) was a Scottish soldier, antiquary, botanist and inventor. Melvill invented (1759) the Carronade, a cast-iron cannon popular for 100 years, in co-operation with the Carron Iron Works (from which it takes its name). He founded the St. Vincent Botanic Garden in the West Indies.