Ricardo is a common male name derived from the Germanic elements meaning "ruler" and "strong." It is widely used in various cultures, particularly in Spanish and Portuguese speaking countries. The name has several variations, including Richard in English and Riccardo in Italian. In addition to being a name, "Ricardo" can refer to notable individuals, such as David Ricardo, a famous British economist known for his contributions to classical economics. His theories on comparative advantage and rent have significantly influenced economic thought and policy.