Johnston is a common surname and can refer to various places, people, or organizations. It is often associated with locations in the United States, such as Johnston, Rhode Island, which is a suburban town known for its parks and community events. The name may also appear in other contexts, including educational institutions and businesses. In addition to geographical references, Johnston can denote notable individuals, such as Johnston McCulley, the author of the original Zorro stories. The name is prevalent in English-speaking countries and may have variations in spelling or pronunciation across different cultures.