Diana "Di" Henry was a fictional character on ABC's daytime drama All My Children. She was portrayed by Kelli Giddish from March 15, 2005 to September 19, 2007. From November 10 to 18, 2008, Di was portrayed by Heather Kenzie.
The character was a part of a major storyline within the soap opera medium, which spun intrigue, as well as outrage, having assumed the identity of legendary character Dixie Cooney Martin for several months before the ruse was finally over. Di's actions and ties to other characters during the storyline was subsequently studied by Jeremy G. Butler in Television: Critical Methods and Applications.