Italy's Embassy in Ankara published an image of a 1923 Italian newspaper announcing the proclamation of the Republic, alongside a message celebrating the Republic Day of the friendly Turkish people. The newspaper carries the headline "Proclamazione della Repubblica turca presieduta da Mustafà Kemal" (Proclamation of the Turkish Republic under the leadership of Mustafa Kemal).

In a message published in Turkish and Polish, Poland's Embassy in Ankara said: "We celebrate the 103rd anniversary of the Republic of Türkiye, proclaimed in 1923 under the leadership of Atatürk, and wish you peace, prosperity and a bright future. We hope that the longstanding friendship and cooperation between Poland and Türkiye will grow stronger."
Japan's Embassy in Ankara conveyed a message from Ambassador Tamura Masami saying, "Happy Republic Day on October 29." Pakistan's Embassy in Ankara also said, "Happy October 29 Republic Day."
Ukraine's Embassy in Ankara wished the friendly Turkish people "peace, tranquility and prosperity" on this meaningful day, while Ukraine's Foreign Ministry congratulated its Turkish friends and said it looked forward to strengthening the partnership.

The embassies of the United Kingdom, Ireland, Guatemala and Iran in Ankara, along with the United Nations Türkiye Office, also published Republic Day messages. The UN Türkiye Office said, "In the 103rd year of the Republic of Türkiye, the United Nations continues to work with the Republic of Türkiye for a sustainable future on a healthy planet."