• The Sultanate of Oman recognized the independence of the Republic of Azerbaijan from the Soviet Union on 30 December 1991.^[67]
• Both countries established diplomatic relations on 13 July 1992^[68]

SeeBrunei–Oman relations

Brunei has an embassy in Muscat, and Oman has an embassy inBandar Seri Begawan.^[70] Relations have been established since 24 March 1984. Both countries are formerprotectorates of European powers (the British for Brunei and first the Portuguese and later the British for Oman), and both are now governed by an Islamicabsolute monarchy.^[70][71][72]

Both countries established diplomatic relations on 2 February 1974^[27]

In September 2016, Oman played an important role in securing the release ofHoma Hoodfar, an Iranian-Canadian citizen and professor atConcordia University. She had been held prisoner in Iran'sEvin Prison since 6 June 2016. This happened soon after a secretive meeting betweenCanada's prime minister,Justin Trudeau, and Oman's Minister Responsible for Foreign Affairs,Yusuf bin Alawi bin Abdullah.^[73]

• China has an embassy in Muscat.
• Oman has an embassy in Beijing.

In June 2020, Oman was one of 53 countries that backed theHong Kong national security law at the United Nations.^[75]

Both countries established diplomatic relations on 27 November 1972^[76]

Oman was the only Arab state besidesSudan underJaafar Nimeiry to maintain good relations withAnwar al Sadat after Egypt recognized Israel. An NGO which launched a probe into foreign funding of organizations in Egypt found that Oman, along with the United Arab Emirates, donated $14.1 million to the Mohamed Alaa Mubarak institute, which was named afterHosni Mubarak's grandson.^[77]

SeeGermany–Oman relations

• Germany has an embassy in Muscat.
• Oman has an embassy inBerlin.

SeeIndia-Oman relationsIndia has an embassy in Muscat, Oman. The Indian consulate was opened in Muscat in February 1955, and five years later it was upgraded to a consulate general and later developed into a full-fledged embassy in 1971. The first ambassador of India arrived in Muscat in 1973. Oman established its embassy in New Delhi in 1972 and a consulate general in Mumbai in 1976.

India has been considering the construction of a 1,100-km-long underwater gas pipeline from Oman for transporting natural gas. Called the South Asia Gas Enterprise (SAGE), it will act as an alternative to theIran–Pakistan–India pipeline. The proposed sub-sea pipeline will meet the additional gas requirement of theUAE, Oman, and India, besides easing gas transportation issues of producing countries likeTurkmenistan,Iran andQatar. The project has been slow in materialising although it was first mooted in 1985.^{[78][79][80][81]}

$5.6 bn Oman-India energy pipeline plans progressing: Fox Petroleum Group envisions a roughly five-year timeframe for the execution of the pipeline project.^[82]

Ajay Kumar, the chairman and managing director of Fox Petroleum, based in New Delhi, which is an associate company of Fox Petroleum FZC in the UAE, said that Mr Modi had "fired the best weapon of economic development and growth". "He has given a red carpet for global players to invest in India," Mr Kumar added. "It will boost all sectors of industry – especially for small-scale manufacturing units and heavy industries too. Ajay Kumar, chairman and managing director of Fox Petroleum, said, “In the last few years, deepsea gas pipeline technology has matured. Since India has serious security concerns with regard to pipeline projects over land, a deepsea pipeline is probably the most promising option. This 1,600-kilometer OIMPP project intends to transport 8 trillion cubic feet of natural gas to India over a period of 20 years. The pipeline is planned to be about 1,300 kilometers long in Phase I, and 300 kilometers more to connect Mumbai, laid at a depth of 3,400 meters below the seabed. It will connect the Middle East Compression Station near Oman with the receiving terminal near Gujarat.”

A week prior to the Iran-P5+1 Framework Agreement, Fox Petroleum issued a proposal for the construction of the Oman-India Multi-Purpose Pipeline (OIMPP), a deep water pipeline system to transport Iranian natural gas via Oman to a receiving terminal on the coast of India's Gujarat state. Costing an estimated $5.6 billion, the 1,600 km pipeline would transport 8 trillion cubic meters over a 20-year period. Citing recent advances in deep-sea pipeline technology, Fox Petroleum's chairman asserted that gas imports to India via OIMPP would be less expensive than India's LNG imports by $1.5–2 per million BTU. The same pipeline system could also be used to transport natural gas from Qatar to India, thereby creating a nexus of Persian Gulf natural gas suppliers oriented toward supplying the world's fast growing major economy. And, as Modi intimated in Ashgabat the potential would even exist for Turkmenistan to export its gas to India across Iran and via the undersea pipeline.

Source:^{[82][83][84][85][86][87]}

Both countries established diplomatic relations on 26 August 1971^[6]

SeeKenya–Oman relations

• Kenya has an embassy in Muscat.
• Oman has an embassy inNairobi.

Malaysia and Oman established diplomatic relations on 15 January 1982.^[88] Since that, bilateral trade between Malaysia and Oman stood at nearly RM500 million during January–October 2010, with Malaysia's main exports to Oman being edible oil, machinery, appliances and parts, wood products, electrical and electronic products.

SeeMexico–Oman relations

• Mexico is accredited to Oman from its embassy inRiyadh,Saudi Arabia and maintains an honorary consulate in Muscat.^[89]
• Oman is accredited to Mexico from its embassy in Washington, D.C., United States and maintains an honorary consulate inMexico City.^[90]

SeeOman–Pakistan relations

The relationship betweenIslamabad and Muscat is warm, because it is the nearest Arab country to Pakistan and the fact that some 30% of Omanis are ofBalochi origin from Pakistan'sBalochistan province, having settled in Oman over a hundred years ago. In 1958Gwadar was part of Oman but was transferred to Pakistan in that year.

Both countries established diplomatic relations on 27 June 1972^[16]

• Oman has an embassy inDoha.
• Qatar has an embassy in Muscat.

Both countries established diplomatic relations on 26 September 1985^[91]

• Oman has an embassyMoscow.
• Russia has an embassy in Muscat.

Both countries established diplomatic relations on 14 December 1971^[8]

• Oman has an embassy inRiyadh and a consulate inJeddah.
• Saudi Arabia has an embassy in Muscat.

Both countries established diplomatic relations on 28 March 1974^[92]

The Republic of Korea-Oman Agreement on the mutual waiver of visa requirements for holders of diplomatic, official, special and service passports came into effect on 11 April 2015. The agreement allowed citizens of the two countries with valid diplomatic, official, special, or service passports to stay in each other's territories without visa for up to 90 days. The agreement was made to help promote inter-governmental and people-to-people exchanges as well as substantive cooperation between the two countries.^[93]

Both countries established full diplomatic relations on 1 April 1973^[21]

In December 2010, Oman discovered a spy network operated by theUnited Arab Emirates which collected information on Oman's military and government. They were reportedly interested in who would replace Qaboos as his heir and about Oman's relations with Iran.^[94][95] Kuwait mediated in the dispute.^[96]

Oman establisheddiplomatic relations with the United Kingdom on 21 May 1971.

• Oman maintains anembassy inLondon.^[97]
• The United Kingdom is accredited to Oman through its embassy in Muscat.^[98]

The UK governedOman from 1891 until 1951, when Oman achieved full independence.^[99]

Both countries share common membership of theWorld Trade Organization. Bilaterally the two countries have a Comprehensive Agreement on Enduring Friendship and Bilateral Cooperation,^[100] a Double Taxation Agreement,^[101] an Investment Agreement,^[102] and a Mutual Defence Agreement.^[103] Both countries are negotiating aFree Trade Agreement.^[104]

SeeOman–United States relations

In 1974 and April 1983, SultanQaboos of Oman made state visits to the United States. Vice President George H. Bush visited Oman in 1984 and 1986, and PresidentBill Clinton visited briefly in March 2000. Vice PresidentDick Cheney visited Oman in 2002, 2005, 2006, and 2008. In March 2005, the U.S. and Oman launched negotiations on a Free Trade Agreement that were successfully concluded in October 2005. The FTA was signed on 19 January 2006, and is pending implementation.

• Oman has an embassy inWashington, D.C.
• United States has an embassy in Muscat.