The name Oscar has been used for seven tropical cyclones and one extratropical cyclone worldwide.
In the Atlantic Ocean:
- Tropical Storm Oscar (2012) – minimal tropical storm that formed in the open ocean
- Hurricane Oscar (2018) – Category 2 hurricane that did not affect land
- Hurricane Oscar (2024) – smallest hurricane on record, made landfall in Cuba and in the Lucayan Archipelago
In the Western Pacific Ocean:
- Typhoon Oscar (1995) (T9518, 17W) – affected Japan
In the South Pacific:
- Cyclone Oscar (1983) – severely impacted Fiji
Due to its impacts in Fiji, the name Oscar was retired from the South Pacific tropical cyclone naming list.
In the Australian region:
In Europe:
- Storm Oscar (2023) – extratropical cyclone that caused minor impacts across Europe