2021 in Belgium

• Monarch: Philippe.[1]
• Prime Minister: Alexander De Croo.[2]

Ongoing – COVID-19 pandemic in Belgium

• 4 to 5 May – DDOS attack on Belnet disrupts accessibility of websites using the .be domain, including those of the government, parliament, police, educational and research institutions, healthcare, and public broadcasters,[3][4] forcing the postponement of parliamentary hearings relating to the Uyghur genocide.[5]
• 17 May to 20 June – Manhunt for Jürgen Conings, a soldier and suspected far-right extremist, goes on the run with several rocket launchers and a machine gun, leaving letters with threats against politicians, virologists and the army command. He shoots himself dead.[6][7] Hundreds of police officers and soldiers combed Hoge Kempen National Park without success.[8][9]
• 12 June – Belgium national football team beats Russia 3–0 in their first match of UEFA Euro 2020 at Saint Petersburg Stadium. Romelu Lukaku scores two goals and Thomas Meunier one.[10]
• 18 June – A school under construction collapses in Antwerp, killing 5 workers.[11]
• 14 July – Record rainfall causes beginning of 2021 European floods in Belgium, Luxembourg, the Netherlands and then Germany.
• 19 to 22 September – The 2021 UCI Road World Championships is held in the Flanders region.[12]

Joël Robert

• 7 January – Jan Blommaert, sociolinguist and linguistic anthropologist (born 1961).[13]
• 13 January – Joël Robert, motocross racer, six-time world champion (born 1943).[14]
• 22 January – Élisabeth Burdot, journalist (born 1940)
• 10 February – Luc Versteylen, Jesuit (born 1927)
• 19 February – Leopold Lippens, politician (born 1941)
• 12 March – Jos Van Gorp, actor (born 1939)
• 21 April – Henri Mouton, politician (born 1933)
• 20 May – Johan Weyts, politician (born 1939)
• 26 May – Lambert Kelchtermans, politician (born 1929)
• 1 June – Paula Sémer, broadcaster (born 1925)
• 7 June – Dixie Dansercoer, explorer and photographer (born 1962)