Colombia’s decision to end its diplomatic relations with Iran, which had lasted for more than half a century, points to a foreign policy shift that must be assessed beyond a bilateral dispute between the two countries. The Bogotá administration announced that it had officially severed diplomatic relations as of September 19, 2026, stating that the decision was linked to national and regional security, the fight against transnational crime, human rights, Iran’s nuclear program, and developments in the Middle East.[i] Colombia also designated Iran’s Islamic Revolutionary Guard Corps as a terrorist organization during the same period. However, the continuation of consular relations indicates that the decision is aimed at redefining political relations between states rather than severing all ties with Iranian society.
One of the most important dimensions of this development is the broader shift in direction taking place in Colombian foreign policy. Following the inauguration of Colombian President Abelardo De La Espriella, the rapid strengthening of relations with Washington has attracted attention. During U.S. Secretary of State Marco Rubio’s visit to Colombia in September 2026, a new period of strategic cooperation between the two countries was announced, with closer coordination targeted in the fields of economy, security, and regional affairs. De La Espriella also described relations with the United States as strategic for the future of Colombian foreign policy. Therefore, the severing of diplomatic relations with Iran can be interpreted not merely as an isolated decision directed at Tehran, but as part of Colombia’s effort to redefine its position within the international system along an axis closer to Washington.
The Iranian administration’s response to the decision focuses precisely on this point. Tehran rejects the reasons put forward by Colombia and argues that the decision was taken under the political influence of the United States and Israel.[ii] From Iran’s perspective, the issue is not so much a direct security problem between the two countries as the extension of the rivalry in the Middle East into Latin America. This approach is particularly important because relations between Iran and the United States have become one of the focal points of military and diplomatic tensions throughout 2026. In the same year, the U.S. administration encouraged its allies to designate Iran’s Islamic Revolutionary Guard Corps as a terrorist organization and increased diplomatic pressure on this issue. For this reason, it is becoming increasingly difficult to assess Colombia’s decision independently of this broader international context.
Another noteworthy element is that the parties are addressing one another through similar security concepts. While the Colombian administration alleges that Iran is linked to internationally illicit networks, the Iranian administration draws attention to Colombia’s position in international drug trafficking. Thus, the diplomatic disagreement moves beyond a conventional foreign policy debate and turns into a struggle for legitimacy in which the concepts of “terrorism,” “narcoterrorism,” and “international security” are used reciprocally. Such rhetoric demonstrates that states are not only criticizing certain policies of the other side, but are also attempting to question its credibility and legitimacy in the eyes of the international community.
However, a more careful assessment is needed regarding the tangible consequences of severing diplomatic relations. Although Colombia’s decision ends diplomatic relations, it does not eliminate consular services. The Colombian Ministry of Foreign Affairs has explicitly stated that the decision does not mean the termination of consular relations within the framework of the Vienna Conventions. This distinction is important. While severing diplomatic relations sends a strong political message, preserving consular channels allows the parties to continue providing services to their citizens and to avoid completely closing communication channels at certain levels. Therefore, the current situation can be considered not a complete rupture, but rather a reduction of political relations to their lowest level.
The significance of the decision for Latin American politics is also important. In recent years, Iran has sought to develop diplomatic and economic relations in Latin America not only with governments ideologically close to it, but also with countries pursuing different foreign policy orientations. The severing of diplomatic ties with Iran by a state with regional weight such as Colombia demonstrates that geopolitical rivalry in the Middle East is becoming increasingly visible in Latin American foreign policy. Nevertheless, this development cannot be said to mean that all of Latin America has adopted a common policy toward Iran. Relations between the region’s states and Washington, Tehran, and other global actors continue to be shaped by different national interests.
The change in Colombia’s position also raises a broader foreign policy debate: to what extent can Latin American states maintain strategic autonomy within a multipolar international system? The De La Espriella administration’s rapid strengthening of relations with the United States demonstrates a clear change in Bogotá’s foreign policy priorities. While strengthening security and economic cooperation with Washington may provide certain strategic advantages for Colombia, it is possible that the country’s room for maneuver in its relations with the United States’ global rivals may consequently become more limited. The severing of relations with Iran can be considered one of the first significant examples of this transformation.
For Iran, meanwhile, maintaining diplomatic relations in Latin America is part of its strategy to establish alternative political and economic ties in the face of Western-centered international pressure. Therefore, the termination of diplomatic relations with an important Latin American country such as Colombia carries symbolic significance. However, Tehran’s response demonstrates that it does not assess the development solely in terms of bilateral relations, but places it within the broader geopolitical struggle with the United States and Israel. Iran’s interpretation of the decision through the framework of “external influence” is also a result of this approach.
In conclusion, the severing of diplomatic relations between Colombia and Iran, although ostensibly stemming from security and foreign policy disagreements between the two states, forms part of a broader international transformation. Colombia’s rapid rapprochement with Washington, the deterioration of relations with Iran, and the centrality of security concepts in foreign policy point to a marked change in Bogotá’s international positioning. Iran’s rhetoric in response is based on the view that the decision reflects the projection of a U.S.-centered regional and global power struggle into Latin America rather than merely a matter of bilateral relations. For this reason, the development once again raises the question of how Latin American countries will preserve their strategic autonomy amid an increasingly intense environment of global competition, as well as the future of Colombia–Iran relations.
[i] Jaramillo Bernat, Emma. “Irán rechaza la decisión de Colombia de romper relaciones diplomáticas”, El País, https://elpais.com/america-colombia/2026-09-25/iran-rechaza-la-decision-de-colombia-de-romper-relaciones-diplomaticas.html, (Date of Access: 27.09.2026).
[ii] Ibid.
