The name Gwen has been used for seven tropical cyclones worldwide: four in the Eastern Pacific Ocean, one in the Western Pacific Ocean, and two in the Australian region.
In the Eastern Pacific:
- Hurricane Gwen (1960)
- Tropical Storm Gwen (1968)
- Hurricane Gwen (1972) – Category 3 hurricane, made landfall north of San Diego, California, as a depression
- Tropical Storm Gwen (1976) – remained over the open ocean
In the Western Pacific:
- Typhoon Gwen (1947) (T4707)
In the Australian region: