BE
SEI is an abbreviation for:
- Stockholm Environment Institute
- Software Engineering Institute , a research and development center in the United States of America
- Structural Engineering International , Journal of the International Association for Bridge and Structural Engineering
SE-I stands for:
- Gotland County , ISO-3166-2 code of the Swedish province
Let us denote:
- an island in Sierra Leone, see Sei (island)
- Sei (Kolbano) , village in the Indonesian district of Kolbano in West Timor
- one of the early Japanese Five Kings of Wa
- Sei (language) , a language extinct in Sierra Leone in 2008
Sei is the family name of the following people:
- Indrek Sei (* 1972), Estonian swimmer
- Keiko Sei , author, curator, educator and media activist
