WAL may refer to:
- Wide-angle lens
- Write-ahead logging, a family of techniques for providing atomicity and durability in database systems
- Wales, one of the four constituent nations of the United Kingdom
- Wallonia, called the 'Walloon Region' in the constitution, one of the three Regions of Belgium
- Dornier "Wal", a flying boat of the 1920s
- Wal, a brand of electric bass
- Weighted-Average Life of an amortizing loan
- Wal, a character in Footrot Flats
- Wal Torres, gender dysphoria therapist