2023 In Tanzania

• President
  • Samia Suluhu
• Vice-President:
  • Philip Mpango
• Prime Minister: Kassim Majaliwa
• Chief Justice: Ibrahim Hamis Juma

Ongoing – COVID-19 pandemic in Tanzania; 2022 Africa floods

• 21 January – Tanzanian opposition party Chadema organizes a political demonstration in Mwanza. This is the country's first demonstration since President Samia Suluhu Hassan abolished her predecessor John Magufuli's seven-year ban on political assembly earlier this month.
• 12 March – Eight miners are killed in Geita Region, when their pit is flooded with rainwater.
• 21 March – Tanzania reports that five people have died from an outbreak of Marburg virus. The Health Ministry added that three others are being treated and that 161 people are being tracked by authorities, although the ministry stated that this is not of serious concern for the country.
• 14 April – Tanzanian members of parliament call on the government to tighten laws against homosexual relations with the death penalty.
• 30 June – Government lifts ban on night-time upcountry bus travel. The ban was imposed in the 1990s following a rise in road accidents and hijacking of buses.
• 14 December – Tanzanian Foreign Minister January Makamba confirms that a 21-year-old Tanzanian student was "killed immediately after being captured by Hamas" on October 7.