List of storms named Ilsa
- 1975 Pacific Northwest hurricane
- Atlantic hurricane
- Australian region tropical cyclone
- Bedout Island
- Bermuda
- Cyclone Ilsa
- Cyclone Ilsa (1999)
- Cyclone Ilsa (2009)
- Fujiwhara interaction
- Hurricane Helene (1958)
- Hurricane Ilsa (1958)
- Hurricane Ilsa (1971)
- Hurricane Ilsa (1975)
- List of storms named Elsa
- List of storms named Isa
- Pacific hurricane
- Tropical Storm Ilsa (1967)
- Western Australia