The name Betty has been used for a total of twenty-one tropical cyclones worldwide: seventeen in the Western Pacific Ocean – most recently for three storms in the Philippines by PAGASA – and one each in the Atlantic Ocean, the South Pacific Ocean, the Australian region, and the South-West Indian Ocean. In addition, it has been used to name one extratropical cyclone in Europe.
In the Western Pacific: Tropical Storm Betty (1945) – a short-lived early season storm that did not affect land. Typhoon Betty (1946) – a strong typhoon that brushed the coasts of the Philippines and Japan. Typhoon Betty (1949) (T4923) – a late-season tropical cyclone that hit southern Philippines. Typhoon Betty (1953) (T5319) – a powerful typhoon which took an unusual south-southeastward path from Hainan to the Philippines. Typhoon Betty (1958) (T5812) – a short-lived but relatively strong system that was considered by the Japan Meteorological Agency (JMA) as a typhoon, despite the Joint Typhoon Warning Center only considering it as a high-end tropical storm. Typhoon Betty (1961) (T6104, 11W) – an early-season Category 4-equivalent super typhoon which struck Taiwan and eastern China. Typhoon Betty (1964) (T6405, 07W, Edeng) – a typhoon that formed to the east of Taiwan and passed near Shanghai. Severe Tropical Storm Betty (1966) (T6617, 17W) – a strong tropical storm that brushed southern Japan and eventually made landfall in South Korea. Typhoon Betty (1969) (T6908, 08W, Huling) – a minimal typhoon that struck Taiwan and China. Typhoon Betty (1972) (T7214, 14W, Maring) – a Category 4-equivalent super typhoon that passed through the Ryukyu Islands and Taiwan before striking China. Typhoon Betty (1975) (T7512, 14W, Ising) – a relatively strong typhoon which struck Taiwan and China Typhoon Betty (1980) (T8021, 25W, Aring) – a powerful typhoon which caused $181 million worth of damages to the Philippines and killed 101 people. Severe Tropical Storm Betty (1984) (T8404, 04W, Konsing) – a tropical storm which affected the Philippines and China. Typhoon Betty (1987) (T8709, 09W, Herming) – a Category 5-equivalent super typhoon that severely impacted the Philippines, Vietnam and Thailand, causing $100 million worth of damages and claiming a total of 92 lives. Tropical Storm Bavi (2015) (T1503, 03W, Betty) – affected Kiribati, Marshall Islands, Mariana Islands, and the Philippines. Typhoon Wutip (2019) (T1902, 02W, Betty) – a Category 5-equivalent super typhoon, caused over $3.3 million (2019 USD) in damages in Guam and Micronesia. Typhoon Mawar (2023) (T2302, 02W, Betty) – another Category 5-equivalent super typhoon which is currently tying Typhoon Bolaven for the strongest tropical cyclone of 2023 thus far; severely affected Guam and later crossed Okinawa.
In the Atlantic: Hurricane Betty (1972) – a Category 2 hurricane which began its life as a subtropical system named Bravo; developed north-northeast of Bermuda but did not make landfall.
In the Australian region: Tropical Cyclone Betty (1966) – a cyclone which made landfall in Australia's Northern Territory.
In the South Pacific: Cyclone Betty (1975) – an erratic and relatively strong tropical cyclone that looped near Fiji.
In the South-West Indian: Tropical Storm Betty (1963) – a weak system which affected no land areas.
In Europe: Storm Betty (2023) – struck Ireland and the United Kingdom during mid-August 2023.