"Crosby" is a remarkably versatile term referring to numerous geographical locations and significant individuals worldwide. As a place name, it is widely distributed, appearing in Canada, England (including Crosby, Merseyside, and Crosby Beach), the Isle of Man, various U.S. states, and South Africa. Beyond geography, "Crosby" is a notable surname linked to several prominent figures across different fields.

Among the most famous are the legendary American singer and actor Bing Crosby (1903–1977), acclaimed singer-songwriter David Crosby (1941–2023), and the celebrated Canadian ice hockey superstar Sidney Crosby (born 1987). The name also extends to other distinct entities, such as the USS Crosby (DD-164) destroyer and even a specific peach cultivar, highlighting its broad and diverse applications.