On 3 October in Manila, the Ambassador of Lithuania Ričardas Šlepavičius presented his letters of credence to the President of the Philippines Ferdinand Romualdez Marcos. During the conversation with the President, Šlepavičius emphasised that Lithuania and the Philippines were like-minded countries that assessed today’s global challenges equally and sought to defend the rules-based international order.

On 26 September, the Ambassador of Lithuania Artūras Žurauskas presented his letters of credence to the President of Romania Klaus Iohannis.

In September 2023, the project "Strengthening Lithuania's development cooperation ecosystem: coherence, partnerships, impact" will be launched by the Ministry of Foreign Affairs, the Organisation for Economic Co-operation and Development (OECD) and the European Commission's Directorate General for Structural Reform Support (DG REFORM). The project aims to strengthen the effectiveness of Lithuania's development cooperation system.

On 19 September, at a memorial ceremony at the European External Action Service (EEAS) headquarters in Brussels, the Permanent Representative of Lithuania to the European Union Arnoldas Pranckevičius, and the Head of the EU Civilian Operations Stefano Tomat, paid tribute to Audrius Šenavičius, who was killed in the EULEX mission in Kosovo ten years ago.

A Sanskrit lecturer at the Institute of Asian and Transcultural Studies of Vilnius University, Vytis Vidūnas has been awarded the annual India Lithuania Friendship Award at a ceremony in Rusnė on 22 July.

Economic operators play a key role in the enforcement of sanctions and in preventing circumvention of sanctions. In cooperation with each other, five Frontier States – Estonia, Latvia, Lithuania, Finland and Poland – have developed common practical expert guidance to economic operators on how to detect and prevent circumvention of sanctions.

On 6 July, the Permanent Representative of the Republic of Lithuania in Geneva Ambassador Darius Staniulis delivered a statement on behalf of the Lithuanian delegation at the 64th General Assembly of the World Intellectual Property Organization (hereinafter - WIPO).

In December 2022, the United Nations General Assembly adopted a resolution calling on all States to pledge not to conduct destructive direct-ascent anti-satellite missile tests (DA-ASAT). Co-sponsored by Lithuania and adopted by a very large majority, the resolution is a milestone in protecting a safe and stable space environment.

"The Vice-Minister of Foreign Affairs of Lithuania Egidijus Meilūnas participated in the Chairpersonship Security Review Conference 2023 of the Organization for Security and Cooperation in Europe (OSCE), which took part on June 28-29 and was dedicated to Russia's war against Ukraine.

On 20 June, the Ambassador of Lithuania to the United Kingdom Eitvydas Bajarūnas, accredited to the Sultanate of Oman, presented his letters of credence to the Sultan of Oman Haitham bin Tariq Al Said during a solemn ceremony at an official residence of the Sultan of Oman - Beit al-Baraka.