Moshe Arens (Hebrew: משה ארנס; 27 December 1925 – 7 January 2019) was an Israeli aeronautical engineer, researcher, diplomat, and Likud politician.

The family settled in New York City, where Arens attended George Washington High School.

Arens was a leader in the Betar youth movement, and during World War II served in the United States Army Corps of Engineers as a technical sergeant.

Following the Israeli Declaration of Independence in 1948, Arens emigrated to Israel and joined the militant group Irgun.

He returned to Israel in February 1983 after being appointed Minister of Defense, replacing Ariel Sharon, who had been forced out of office following the Kahan Commission's report on the Sabra and Shatila massacre.

After another re-election in 1988 he was appointed Minister of Foreign Affairs (with Netanyahu his deputy), and in 1990 returned to the Defense portfolio.

Although he won only 18% of the vote, Netanyahu appointed him Minister of Defense, replacing Yitzhak Mordechai, who had left Likud to establish the Centre Party.

[10] While living in the United States, Arens married Muriel F. Eisenberg from New York City, and she moved to Israel with him.