Elinor "Ellie" Miller Greenberg (November 13, 1932 – September 15, 2021) was an American author educationalist and speech pathologist, an expert in the field of adult education and experiential learning, as well as a former civil rights activist. She saw access to education as a social justice issue, and spent over thirty years creating higher education programs for non-traditional students. She headed the University Without Walls program in the 1970s; created a weekend BSN program for nurses in rural Colorado; established a degree program for Colorado prison inmates and ex-offenders; and established online master's degree programs for nurses in the 1990s. She was inducted into the Colorado Women's Hall of Fame in 2010.