The name "Sena" has various meanings and origins across different cultures. In some cases, it is derived from the Sanskrit word for "army" or "to lead." It is also a common name in Japan, where it can be written with different kanji characters, each carrying unique meanings. In addition to its cultural significance, "Sena" is used as a surname in several countries. Notably, it is associated with the Sena people in India, who are known for their rich traditions and history. The name is also found in various fictional works, adding to its diverse usage.