- He is the namesake of the Eller College of Management at the University of Arizona, his alma mater
- He was instrumental in the creation of the UA entrepreneurship program, one of the first such collegiate programs in the world
- Eller was recognized in 2001 by the Arizona Historical Society as a historymaker, recognizing him for his contributions to local culture, business and philanthropy ... Eller was inducted into the Advertising Hall of Fame by the American Advertising Federation in March 2004 in New York City ... He was also the first Arizonan and second outdoor advertising executive to be elected to the Advertising Hall of Fame
- Karl Eller graduated from Tucson High School, part of the class of 1946