Einar Paul Albert Muni Lundborg (5 April 1896 – 27 January 1931) was a Swedish aviator.

He was born on 5 April 1896.^{[citation needed]}

In 1928 he rescued Umberto Nobile after Nobile's airship crashed on the ice north of Spitsbergen. He was later promoted to captain in the Swedish Air Force.^{[citation needed]}

Before joining the airforce, Lundborg participated in the Finnish Civil War in 1918 and in the Estonian War of Independence in 1919–1920.^[1]

Lundborg was killed during a test flight of the Jaktfalken airplane at Malmslätt in 1931. He was survived by his wife Margareta, née Malmberg (1900–1981). He is buried in Linköping, Sweden.

Estonian War of Independence

• Cross of Liberty 3rd class II phase (August 17, 1920)
• Estonia's war memorial

Finnish War

• Cross of Liberty Class III with Swords and Class IV with Swords (Finland)
• Order of the White Rose of Finland, Commander 2nd class
• Finnish gallantry medal, Phase II
• Swedish Brigadier gallantry medal
• Medal of Tampere

Russian Army in the Northwest

• Order of St. Vladimir, 4th class with Swords
• Order of St. Anna, 3rd class with Swords

German Army

• Iron Cross, I and II Classes

• När Nobile Räddades: Mina Upplevelser Under Den Svenska Spetsbergs Expeditionen 1928 (published in 1928 in Swedish) - Title in English: 'When Nobile Was Rescued: My Experiences During The Swedish Spetsbergs Expedition 1928'. The publication includes a fold-out map of Spitsbergen.