Josephine Clara Goldmark (October 13, 1877 – December 15, 1950) was an advocate of labor law reform in the United States during the early 20th century.

After graduating from Bryn Mawr College in 1898, Goldmark went to work for Florence Kelley at the National Consumers League (NCL), where she later became the chairman of the committee on labor laws.

The following year, the Russell Sage Foundation published her book Fatigue and Efficiency, a study of the effects of long hours on workers' health and job performance.

She served as a consulting expert for a number of companies, philanthropies, and government commissions, and she was vice chair of the New York City Child Labor Commission[2] Between 1919 and 1923, Goldmark researched the state of nursing schools in the United States with funding from the Rockefeller Foundation.

Her sister, Pauline, was the secretary for the New York City office of the National Consumers League.