27 May – A court in Kaunas convicts Jonava District Municipality mayor Mindaugas Sinkevičius of abuse of office, falsification of documents, and misappropriation and imposes a 12,500 euro-fine on him as well as a ban on holding public office for three years.[8]
26 June – The leaders of Poland, Lithuania, Latvia, and Estonia call on the European Union to construct a €2.5 billion (US$2.67 billion) defence line between them and Russia and Belarus to secure the EU from military, economic, and migrant-related threats.[10]
17 November – A section of a submarine internet cable running under the Baltic Sea between Lithuania and Sweden is severed, reducing internet capacity in Lithuania by a fifth.[17]