Richard H. Riley IV is an American diplomat who is serving United States ambassador to Somalia.

Riley also performed leadership roles during multiple tours in both Iraq and Afghanistan, serving as Senior Civilian Representative (SCR) for the Provincial Reconstruction Team (PRT) in Nangarhar province, Afghanistan and two tours of duty in Iraq, both in Nassiriyah (Dhi Qar) province and at the U.S. embassy in Baghdad.

His other leadership roles in the U.S. Foreign Service have included, deputy director of the Office of Egypt and Levant Affairs at the United States Department of State, as well as assignments in London, England, Moscow, Russia, Beijing and Chengdu, China, as well as Kingston, Jamaica.

Riley also has extensive private sector experience, having worked as a Strategy Consultant for both Boston Consulting Group (BCG) and PriceWaterhouseCoopers, LLC in Hong Kong and San Francisco, California, following earning his MBA at Harvard in 1997.

On March 27, 2023, President Joe Biden nominated Riley to be the next ambassador to Somalia.