Claire Muriel Fagin FAAN (née Mintzner; November 25, 1926 – January 16, 2024) was an American nurse, educator, and academic.

Born in Manhattan on November 25, 1926, Fagin was the younger of two daughters of Mae and Harry Mintzer, immigrants to New York City from Poland and Russia.

[1][2][6] Fagin served as dean from 1977 to 1991, when she left to do geriatric nursing research as a Scholar in Residence at the Institute of Medicine, National Academy of Sciences.

In 2005 she completed five years as director of the "John A. Hartford Foundation Program: Building Academic Geriatric Nursing Capacity".

[10] Fagin served as president of the National League for Nursing and as an adviser to the World Health Organization.

In 2022, she was the co-author of an analysis suggesting that the cause of burnout among health care workers during the COVID-19 pandemic was inadequate hospital staffing.

[11] On November 30, 2006, the nursing education building at the University of Pennsylvania was renamed Claire M. Fagin Hall.