English abbreviations from sea to sear
- SEA (Strategic Environmental Assessment (United Kingdom))
- SEAAN ((organization) Southeast Asia Astronomy Network, astronomy research and education among Southeast Asian countries)
- SEABEE (Navy Construction Engineer)
- SEAC (Special Education Advisory Committee)
- SEACAP (South East Asia Community Access Programme)
- SEACOP (Strategic Sealift Contingency Planning System)
- SEACOPS (South East Alaska Coalition Opposed to Pirating of our Salmon)
- SEAD (Suppression of Enemy Air Defenses)
- SEADS (Southeast Air Defense Sector)
- SEAF (STOW-E Evaluation and Analysis Facility)
- SEAI (Science and Education Alliance, Inc.)
- SEAJ (Semiconductor Equipment Association of Japan)
- SEAL (Sea/Air/Land)
- SEAL — (p) SEa (Air-Land)
- SEALOC (SEA Lines Of Communication)
- SEALOCK (Search, Locate, and Communicate or Kill)
- SEALs (United States Navy SEALs (stands for SEa, Air, Land), officially termed Special Warfare Operators.)
- SEAM (Support Education Assessment Monitoring)
- SEAN (Student Education Association Of Nebraska)
- SEAP (Special Education Advisory Panel)
- SEAR (Science Education Assessment Resources)
