John Smith (various individuals)

"John Smith" is a common name used to identify multiple individuals across different fields and contexts, often serving as a generic placeholder. Notable John Smiths include historical figures like the English explorer and soldier, as well as many professionals such as politicians, authors, and scientists. The name's popularity means that references to "John Smith" usually require additional details to specify which person is being discussed. Overall, "John Smith" exemplifies how common names can span diverse backgrounds, making it important to clarify identity when seeking specific information about any individual by that name.