William A. "Bill" Halter is the lieutenant governor of Arkansas and a member of the Democratic Party. He succeeded the late Republican Winthrop Paul Rockefeller, who served in the position for the preceding decade.

In 1993, Halter began service in the Office of Management and Budget , part of the Executive Office of the President. In his six years with President Clinton's OMB, the U.S. annual federal budget deficit of $290 billion was transformed into a $125 billion surplus and federal civilian employment was reduced to its lowest level since the Kennedy Administration.