Josepha Newcomb Whitney (September 27, 1871 – January 29, 1957) was an American clubwoman, pacifist, suffragist, and politician.

[7] Whitney supported young opera singer Olympia Macri through and after her 1925 murder trial,[8][9] and protested to end all-male juries in Connecticut.

[10] In 1928 she led a group of active New Haven women in leaving the Daughters of the American Revolution over a blacklist of speakers.

Her first husband was lawyer and New York Supreme Court Justice Edward Baldwin Whitney, the son of Yale Professor William Dwight Whitney, grandson of Connecticut Governor and US Senator Roger Sherman Baldwin and the great-grandson of American founding father Roger Sherman.

[2][24] Another son, William Dwight Whitney (1899–1973), was an international antitrust lawyer who married English actress Adrianne Allen.