David Nathan Saperstein is an American rabbi, lawyer, and Jewish community leader who served as United States Ambassador-at-Large for International Religious Freedom.

[4] Saperstein succeeded Rabbi Richard G. Hirsch as leader of the Washington D.C.–based social justice and lobbying arm of the North American Reform movement.

[5] On August 28, 2008, Saperstein delivered the invocation at the Democratic National Convention's final session, before Senator Barack Obama accepted the party's nomination for president.

[9] On July 28, 2014, President Obama nominated Saperstein to be the first non-Christian to hold the post of United States Ambassador-at-Large for International Religious Freedom.

[14] On October 11, 2018, Saperstein received the International Religious Liberty Award "for his many years of work defending and supporting freedom of religion or belief for all".