The name Betty has been used for a total of seventeen tropical cyclones worldwide: one in the Atlantic Ocean, fourteen in the Western Pacific Ocean, (one of them is now being used by PAGASA, replacing Bebeng after Tropical Storm Bebeng in 2011), one in the Southwest Indian Ocean and one in the Southwestern Pacific Ocean.
Atlantic:
Hurricane Betty (1972), developed north-northeast of Bermuda, did not make landfall
Western Pacific:
Tropical Storm Betty (1945)
Typhoon Betty (1946), approached Japan
Tropical Storm Betty (1949) (T4923)
Typhoon Betty (1953) (T5319), struck the Philippines
Tropical Storm Betty (1958) (T5812)
Typhoon Betty (1961) (T6104, 11W), Category 4 super typhoon; struck Taiwan
Typhoon Betty (1964) (T6405, 07W, Edeng), formed east of Taiwan, passed near Shanghai
Tropical Storm Betty (1966) (T6617, 17W)
Typhoon Betty (1969) (T6908, 08W, Huling), struck China
Typhoon Betty (1972) (T7214, 14W, Maring), Category 4 super typhoon; struck China
Typhoon Betty (1975) (T7512, 14W, Ising), struck Taiwan and China
Typhoon Betty (1980) (T8021, 25W, Aring), struck the Philippines
Tropical Storm Betty (1984) (T8404, 04W, Konsing), struck China
Typhoon Betty (1987) (T8709, 09W, Herming), Category 5 super typhoon; struck the Philippines and China
Tropical Storm Bavi (2015) (T1503, 03W, Betty), formed in equator together with Cyclone Pam as a tropical storm, but became a tropical depression when it entered the Philippine area
Southwest Indian Ocean:
Cyclone Betty (1963)
Southwest Pacific Ocean:
Cyclone Betty (1966)