- AECU stands for American Eagle Credit Union (Anheuser-Busch Employees’ Credit Union; St. Louis, MO)
- AECU stands for All Employees Credit Union (Willoughby Hills, OH)
- AECU stands for Annual European Course in Urology
- AECU stands for Advanced Electronic Control Unit
- AECU stands for Antenna Environmental Control Unit
AECU