Esther Neira de Calvo (1890-1978) was a teacher, women's rights activist and suffragette, and Constituent Assemblywoman of Panama.
She was the first woman deputy to serve the National Assembly as a national delegate.
She was founder and president of the League of Patriotic Feminists and actively worked as a suffragette for Panamanian women's enfranchisement.
From 1949-1965 she served as executive secretary of the Inter-American Commission of Women and from 1966-1968 she was Panama's ambassador and alternate representative to the Organization of American States.