Tropical Cyclone Cempaka was a tropical cyclone that impacted the island of Java and Bali, Indonesia in November 2017. Although it did not make landfall, Cempaka managed to cause 41 deaths, with more than 20,000 people evacuated and causing around US$83.6 million in damages. Cempaka was the fourth cyclone to be registered in Indonesia by the Tropical Cyclone Warning Center of the Indonesian Meteorology, Climatology, and Geophysical Agency (BMKG) since 2008 and the first since Cyclone Bakung in 2014. It also came closer to making landfall in that country than any other cyclone on record.

The following is a list of weather events that occurred in 2017.