January 4 - A magnitude 5.6 earthquake struck Banda Sea, 189 km north-northwest of Saumlaki, Maluku at a depth of 117.7 km. There were no immediate reports of casualties or damage.
January 5 - Two Indonesian celebrities were arrested for their suspected involvement in online prostitution. The duo were arrested in separate rooms at a Surabaya hotel.
January 6 - A magnitude 6.6 earthquake struck Molucca Sea, 151 km west-northwest of Tobelo, North Maluku at a depth of 60.0 km. There were no immediate reports of casualties or damage.
January 9 - Corruption Eradication Commission leaders Agus Raharjo and Laode M. Syarif faced terror threats with unknown assailants placing what appeared to be bombs at their houses. It was suspected that a Molotov cocktail exploded at Laode's house.
January 11 - Hundreds of houses were damaged by tornado in Rancaekek, Bandung, West Java. Two people were seriously injured and around 100 people suffered minor injuries.
January 13 - Indonesian Women single in Badminton, Fitriani won the 2019 Thailand Masters Super 300. The 2019 Thailand Masters, officially Princess Sirivannavari Thailand Masters 2019 was a badminton tournament which took place at Indoor Stadium Huamark in Thailand from 8 to 13 January 2019 and had a total purse of $150,000. The 2019 Thailand Masters was the first tournament of the 2019 BWF World Tour and also part of the Thailand Masters championships which had been held since 2016. This tournament was organized by the Badminton Association of Thailand with sanction from the BWF.
* Two Indonesian fighter jets forced an Ethiopian Airlines cargo plane to land over airspace breach. The plane was forced to land at an airport at Batam Island. The cargo plane ETH 3728 was flying from Addis Ababa to Hong Kong.
January 17
* A plastic-waste mill worker was found dead inside a milling machine at his workplace in Bantargebang, Bekasi.
* First Indonesian Presidential debate between Joko Widodo and Prabowo Subianto. The topics covered were on the hot-button issues of corruption, terrorism, human rights and the law.
January 18 - Mosaic art surrounding a statue on a major road in Surakarta, Central Java, has drawn ire from conservative Muslim groups, which have said that an aerial view of the art showed that the design resembled a Christian cross.
January 19 - A boat carrying 24 people sank in Kapuas River, West Kalimantan. At least 13 people were killed and 11 people survived.
January 21 - A tornado struck Tuban, East Java. One person was killed and 42 houses were damaged.
January 22
* South Sulawesi floods and Landslides - Floods and landslides in several regions in South Sulawesi killed 78 people and left dozens missing.
* Sumba Island Earthquake - an earthquake magnitude 6.0 struck Sumba Island and a few hours later a second earthquake magnitude 6.4 struck the same place. There were no immediate reports of damage or casualties.
January 24
* Basuki Tjahaja Purnama was released from jail after two years imprisonment on blasphemy charges.
* Sukoharjo Tornado - Dozens of houses were damaged by a tornado in Sukoharjo, Central Java. Several people were injured.
January 25 - Russian climber was found injured on the slopes of Mount Agung in Bali, 10 hours after he was declared missing.
January 26 - Three houses and one hospital were damaged after a magnitude 5.8 earthquake struck Aru Islands, Maluku. One girl was injured.
February 17 - Second Indonesian presidential debate between Joko Widodo and Prabowo Subianto, covering infrastructure, energy, agriculture, food, and environment.
February 27 - Indonesia won 2019 AFF U-22 Youth Championship the tournament, after beating Thailand 2–1 in the final. The 2019 AFF U-22 Youth Championship was the 2nd edition of the AFF U-22 Youth Championship, organised by ASEAN Football Federation. The tournament was sponsored by Korean LG Corporation. The tournament was held from 17 to 26 February in Phnom Penh, Cambodia. This was its first as an under-22 tournament, with the previous edition an under-23 tournament. 2005 AFF U-23 Youth Championship winners Thailand were the defending champions, as there was no competition from 2006 to 2018, as the 2011 edition has been cancelled.
April 17 – Indonesia held its 12th general election. For the first time, eligible voters will choose their representatives in all levels—governors and president, simultaneously.
May 22 - Riots erupted in Jakarta as supporter of Prabowo Subianto refused to accept the result of the 2019 Indonesian general election
June
June 3 - A suicide bomber detonated his bomb at a police kiosk in Sukoharjo, Central Java. No one was killed in the attack.
June 28 - An Indonesian Air Force military helicopter carrying 12 passengers and crews vanished above the Papuan jungle, prompting search and rescue operation in the area
July
July 14 - A very strong 7.2 magnitude earthquake rocked North Maluku, causing damages to thousands of structures across the province. At least 14 people were killed in the quake.
July 26 - A phreatic eruption occurred in Mount Tangkuban Perahu in Bandung, the first since 2013. No one was killed in the incident however several people reported breathing difficulties.
August
August 2 - A strong 6.9 magnitude earthquake struck Sunda Strait, killing 8 people.
August 16 - Forty-three Papuan students were arrested in Surabaya after a reported "disrespectful acts" towards the Indonesian flag. This, however, was disputed. The students were also attacked, verbally and physically, by local militias. The incident would led to a series of protests across Papua.
August 17 - A knife-carrying terrorist attacked a police station in Wonokromo, injuring a police officer. The attacker was deemed as "self radicalized terrorist" with a suspected connection with the 2018 Surabaya bombings.
August 19 - September 23 - Riots occurred in Jayapura and other Papuan cities in response to the August 16 incident, with roads blocked and buildings torched down. Killings of non-Papuans were widely reported, prompting mass evacuations throughout the province.
September
September 1 - A horror story of a group of students who were attacked by supernatural beings during a student study service in the 2000s in East Java becomes one of the hottest topic of 2019 in Indonesia.