Sen

Sen is a term that can refer to multiple topics, most commonly used as a surname or given name in various cultures. In South Asia, particularly among Bengali communities in India and Bangladesh, Sen is a common surname. It is often linked to the Sanskrit word sena, meaning army, and is associated with historical clan or caste names as well as professional roles. The name also appears in other Indian languages and among diaspora communities, where it may be transliterated as Sen or Sena. As a given name, Sen occurs in different regions but is less common than as a surname.

In Turkish, sen is the informal second-person pronoun meaning you. It is used in everyday speech and is not capitalized unless it starts a sentence.

In codes and abbreviations, SEN denotes several concepts. The ISO 3166-1 alpha-3 code for Senegal is SEN. In the United Kingdom, SEN stands for Special Educational Needs, a designation used for students who require additional support. The acronym also appears in various organizational and technical contexts to denote different phrases, depending on the field.

Overall, Sen functions as a cross-cultural name element and as a set of abbreviations in international standards and education, reflecting its diverse usage across languages and regions.