List of storms named Ilsa

The name Ilsa has been used for one tropical cyclone in the Atlantic Ocean, three in the Eastern Pacific Ocean, and three in the Australian region.

In the Atlantic:

• Hurricane Ilsa (1958) – a Category 2 hurricane that engaged in a Fujiwhara interaction with Hurricane Helene and caused beach erosion in Bermuda

In the Eastern Pacific:

• Tropical Storm Ilsa (1967) – did not affect land
• Hurricane Ilsa (1971) – a Category 3 hurricane that did not affect land
• Hurricane Ilsa (1975) – a Category 2 hurricane that contributed to the formation of the 1975 Pacific Northwest hurricane

In the Australian region:

• Cyclone Ilsa (1999) – a Category 2 tropical cyclone that made landfall in Western Australia
• Cyclone Ilsa (2009) – a Category 4 severe tropical cyclone
• Cyclone Ilsa (2023) – a Category 5 severe tropical cyclone that caused a record-breaking windspeed measurement in Bedout Island