List of storms named William

The name William has been used for two tropical cyclones, both in the South Pacific Ocean:

Cyclone William – a Category 3 severe tropical cyclone that affected French Polynesia.
Cyclone William – a Category 2 tropical cyclone that affected the Cook Islands and French Polynesia.

Additionally, the name William appears in List IV of the list of North Atlantic hurricane names; however, it remains unused. The closest the name could have been used was in 2012 [Atlantic hurricane season|2012] when there was 19 named storms that year but 21 named storms was needed for use.