Soenario Sastrowardoyo (EYD: Sunario Sastrowardoyo; 28 August 1902 – 18 May 1997), more commonly known simply as Soenario, was an Indonesian politician, and diplomat, who served as the 7th Foreign Minister of Indonesia, from 1953 until 1955, during the First Ali Sastroamidjojo cabinet, under Prime Minister Ali Sastroamidjojo.

At Rechtshoogeschool, he lived at the house of his uncles, named Kusman and Kunto, studied both the French language and law, and became a member of the Jong Java association.

He received his diploma from Leiden on 15 December 1925, which was signed by Professors Cornelis van Vollenhoven and Nicolaas Johannes Krom.

[3] Upon his return from the Netherlands in July 1926, Sunario led the scouting of the Nationale Padvinders Organisatie (NPO).

Pemuda Indonesia together with Indonesian Student Associations (PPPI) pioneered the holding of the Second Youth Congress in Jakarta.

[citation needed] Sunario became a member of the Central Indonesian National Committee (KNIP), the Government body appointed to assist the president of Indonesia, following the proclamation of Independence.

[7] During his tenure as Minister of Foreign Affairs, Sunario served as Head of the Indonesian Delegation at the Asian-African Conference in Bandung in 1955.

[6] After the end of his ambassadorship, Sunario became a professor of international politics and law at Diponegoro University, before becoming the rector there.

In 1968, Sunario took the initiative to gather the historical actors of the Youth Pledge, and asked the Governor Ali Sadikin of Jakarta to manage and restore the original building located on Kramat Raya 106 street, though the place had changed tenants and owners.

Other members include Ahmad Subardjo, Alexander Andries Maramis, and Abdoel Gaffar Pringgodigdo, all figures who helped formulate the 1945 Jakarta Charter.

[citation needed] He was married to Dina Maranta Pantauw, a Minahasa Protestant, whom he met during the 1928 Youth Congress, who was the delegate from Manado.

Sunaryati Hartono, who is an attorney, lawyer, and professor of law, Astrid Susanto, who was a politician who served in the People's Representative Council,[12] Sunardien, who was an economist, Wuryastuti Sunario, who was managing director of the Indonesian Tourism Promotion Board, Irawan Sunario, who was the founder of Citibank Indonesia.

[13] He is the first cousin, once removed, of Nugroho Wisnumurti, who was Indonesia's Permanent Representative to the United Nations and Other International Organizations in Geneva, Switzerland from 2000 until 2004.