Digitalization is one of the most essential components of modern globalization process. Today, especially during the COVID-19 pandemic, there are almost no areas left that are not being affected by modern information technologies. Digitalization has become the basis of transformational processes of the world economy, cultural development, political life, etc. The sphere of foreign policy activity is not an exception, using digital technologies in its work. The usage of modern digital technologies has led to the abrupt changes in the diplomatic sphere, changing the form of its work. The key players of the international relations system actively use resources of the information and communication technologies in their diplomatic work.The United States of America has become a pioneer in the application of the digital technologies into diplomacy. There are institutions at the state level that implement modern digital technologies into the country’s foreign policy activities in order to achieve strategic interests and ensure the national security. The article analyzes trends in digitalization of the Public Diplomacy in the United States of America under the Trump administration. The main mechanisms and platforms for using modern information and communication technologies are described. It is proved that under the presidency of Trump’s digitalization of US public diplomacy has been taking place at a significant pace. The main directions of application of modern digital technologies in the field of US public diplomacy are traced. The role of the so-called «New Media» in the foreign policy activities of the Trump administration is studied. The paper proves that Donald Tramp had a peculiar way of communication using the social network Twitter, which often contradicted the activities of other high-ranking US officials and, in some places, did not coincide with the declared the foreign policy course of the state.