The name Olga has been used for sixteen tropical cyclones worldwide: three in the Atlantic Ocean (where it replaced the name Opal), ten in the Western Pacific Ocean, and three in the Australian region in Southern Hemisphere.

In the Atlantic:

• Hurricane Olga (2001) – large Category 1 hurricane that had no effect on land.
• Tropical Storm Olga (2007) – off-season storm that killed 40 people, mostly in the Dominican Republic.
• Tropical Storm Olga (2019) – formed in the Gulf of Mexico and became post-tropical shortly thereafter.

In the Western Pacific:

• Tropical Storm Olga (1948) (T4827)
• Typhoon Olga (1954) (T5417)
• Typhoon Olga (1958) (T5830)
• Typhoon Olga (1961) (T6119, 51W)
• Tropical Storm Olga (1964) (22W) – formed and remained in the Gulf of Tonkin.
• Tropical Storm Olga (1966) (T6634, 37W, Wening)
• Typhoon Olga (1970) (T7002, 02W, Deling) – affected Japan.
• Typhoon Olga (1972) (T7226, 28W) – struck the Marshall Islands and the Northern Marianas, causing minimal damage.
• Typhoon Olga (1976) (T7605, 05W, Didang) – affected the Philippines and Japan.
• Typhoon Olga (1999) (T9907, 11W, Ising) – killed 106 people in North and South Korea and caused $657 million in damages.

In the Australian region:

• Cyclone Olga (1981)
• Cyclone Olga (2000) – paralleled the Kimberley and Pilbara coasts
• Cyclone Olga (2010) – crossed the lower Cape York Peninsula and then meandered in the southern Gulf of Carpentaria.