Dani Dayan (Hebrew: דני דיין‎; born 29 November 1955) is an Argentine-born Israeli public figure and entrepreneur .

Dayan was the Secretary-General of the Tehiya political party, and was a candidate to the Knesset on its list in the Israeli legislative elections in 1988 and 1992.

Dayan was a member on the executive committee of the Yesha Council for eight years, before being elected as chairman on July 13, 2007.

The Brazilian government delayed its approval of Dayan's appointment over months, sparking a diplomatic crisis between the countries.

His appointment was opposed by leftist sectors of the political coalition governing Brazil, as well as social movements.

[17] Brazil's reluctance to approve Dayan as Israel's Ambassador developed into a diplomatic rift between the two countries.

Dayan managed to develop close relations with all sectors of the civil society and the Jewish community.