Ruben Zackhras

Ruben R. Zackhras (4 December 1947 – 26 December 2018) was a Marshallese politician. He was acting President of the Marshall Islands from 21 October 2009 to 26 October 2009. He previously served as Minister of Finance from 1989 to 1997.

Zackhras, graduated from the University of Guam in 1971 holding a BA in Public Administration, served in Marshallese politics for 36 years and in the Nitijela from 1979 to 2015, and served as a representative of Ailinglaplap Atoll. until Tomeing was ousted in the country's first successful vote of no confidence against a sitting president on 21 October 2009. The Speaker of the Nitijela, Jurelang Zedkaia, appointed Zackhras as the acting president of the Marshall Islands until new presidential elections could be held. Zackhras was subsequently appointed Minister in Assistance to the President of Jurelang Zedkaia and served until January 2012. He was appointed the ambassador to Fiji by President Hilda Heine, and held that position until his death.

Zackhas died of cancer on 26 December 2018 in Hawaii, United States, aged 71.

He was member of the United Democratic Party. Mattlan Zackhras was his son.