2011 Public Radio News Directors (PRNDI) Silver Award for Best Local Call-In Program
2011 Gracie Award for exemplary programming about women for a program titled "The Challenges Facing Haiti's Children"
2010 InterAction Award for Excellence in International Reporting
2010 James Beard Foundation Award for Best Audio Webcast or Radio Show, honoring the show's focus on food and culinary-related topics
2009 My Source Community Impact Award for Engagement, from the Corporation for Public Broadcasting
2009 "Best Talk Show" and "Public Affairs" awards from the Chesapeake Associated Press Broadcasters Association
2009 "Best Radio Personality," "Best Local Politics," and "Best Ethnic Reporter," Washington City Paper’s Best of D.C. Readers’ Poll
2009 American Women in Radio and Television's Gracie Award for Outstanding Public Affairs Program in a local market. Recognized for "Women & Public Policy: Selections from The Kojo Nnamdi Show".
2004 Greater Washington Urban League's Whitney M. Young Jr. Community Service Award
2003 Library of Congress African American History Month Keynote Speaker, Kojo Nnamdi
2001 National Council for Community Justice. Kojo Nnamdi was honored as a civil rights hero.
2002 New York Festivals. Silver World Medal in the category of "Best Regularly Scheduled Talk Program Interview," for an interview with outspoken former congressman Andy Jacobs.
2001 New York Festival. Bronze World Medal in the category of "International Radio Programming" for its show on "The United Nations and the Vatican."
1999 American Women in Radio and Television's Gracie Award in the "Women's Issues" category.