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| November 16, 2003 | The American Music Awards | Fan Choice Award | FD Recap | American Music Awards |
| December 10, 2003 | Billboard Music Awards | Best Selling Single of the Year for This is the Night | FD Recap | Billboard Awards |
| December 16, 2003 | National League of Junior Cotillions | Best Mannered Person of 2003 | FD Recap | |
| December 1, 2003 | TV Guide Readers voted Clay their favorite reality star of 2003 | TV Guide's Favorite Reality Star of 2003 | FD Recap | |
| June 28, 2004 | New Music Weekly 2004 Awards | Top 40 Male Artist of the Year | FD Recap | |
| September 24, 2004 | 2004 Relly Award | Clay was nominated and won for favorite Musical Guest | FD Recap | |
| November 15, 2004 | Clay appeared on Larry King Live and announced he was a new UNICEF ambassador | UNICEF Goodwill ambassador focusing on educational issues | FD Recap | |
| December 31, 2004 | Merry Christmas with Love was the top selling Christmas album of 2004 | Best Selling Christmas album of 2004 | FD Recap | |
| March 30, 2005 | Groovevolt Awards | Best Male Album, Best Male Song | FD Recap | |
| March 14, 2005 | Clay was the first person to be awarded the 'Worldwide Pageants "Service Excellence Award" ' for his dedication to the cause of assisting children with exceptionalities | Worldwide Pageants "Service Excellence Award" | FD Recap | |
| April 16, 2005 | Today's Caregiver Magazine presented Clay with the Robert M. Barg Memorial Achievement Award | Robert M. Barg Memorial Achievement Award | FD Recap | |
| May 31, 2005 | UNICEF announced that Clay would be the National Spokesman for the 2005 Trick or Treat Fund-raising campaign | National Spokesman for the 2005 Trick or Treat Fund-raising campaign | FD Recap | |
| August 8, 2005 | Bravo Channel/TV Guide poll | TV Guide's Most Loved Reality Star of All Time | FD Recap | TV Guide website |
| October 15, 2005 | American Christian Music Awards | 2005 Outstanding Yule CD | FD Recap | |
| December 31, 2005 | Merry Christmas with Love was the best selling Christian album | Best selling Christian album of 2005 | FD Recap | Billboard Website |
| February 28, 2006 | People Magazine Poll | Favorite American Idol | FD Recap | |
| November 11, 2006 | Clay received the Outstanding Young Alumnus Award from UNC Charlotte | Outstanding Young Alumnus Award | FD Recap | |
| May 30, 2008 | Clay received a Broadway.com Audience Award for his role in Spamalot | He was named the Favorite Male Replacement | FD Recap | |
| December 1, 2003 | People Magazine's did a profile on who they thought were the Sexiest Men Alive | One of the 2003 Sexiest Men Alive | FD Recap | People Magazine website |
| December 20, 2003 | Clay received his Bachelor of Arts degree in Special Education from the University of North Carolina in Charlotte | Bachelor of Arts degree in Special Education | FD Recap | |
| September 5, 2006 | Clay was named to serve on the President's Committee for People with Intellectual Disabilities | Appointed to the President's Committee for People with Intellectual Disabilities | FD Recap | President's Committee For People With Intellectual Disabilities (PCPID) |
| April 25, 2007 | Clay received the Children's advocacy award from the National Center for Learning Disabilities | Children's Advocacy Award | FD Recap | National Center for Learning Disabilities (NCLD) |
| April 21, 2009 | Family Equality Council Award for 2009 | 2009 Family Equality Council Award | FD Recap | 2009 Family Equality Council Award |
| November 2, 2005 | 'Make a Wish' annually selects honorees for their dedication to the Foundation's mission by helping grant the wishes of children with life-threatening medical conditions. In November 2009 they added this year's recipients of the "Chris Greicius Celebrity Award". Clay was one of those honored in 2005 and appears on their cumulative list. | Chris Greicius Celebrity Award | fd recap | Make A Wish Foundation |