WASHINGTON (Reuters) - Martin Indyk, a former U.S. ambassador to Israel who heads foreign policy studies at the Brookings Institution think tank, is expected to be named the new U.S. envoy for Middle East peace, a source familiar with the matter said on Sunday.

The source, who spoke on condition of anonymity, said the announcement could come as early as on Monday, when Israeli and Palestinian negotiators plan to resume direct peace talks in Washington for the first time in nearly three years.

(Reporting By Arshad Mohammed; Editing by Philip Barbara)