Blest may refer to: Alberto Blest Gana (1830–1920), a Chilean novelist and diplomat Clotario Blest Riffo (1899–1990), a Chilean trade union leader and social activist Another form of the noun "blessed", more popular in old English. William Cunningham Blest, an Irish doctor, president of the first Medical Society of Chile Puerto Blest, a village and municipality in Río Negro Province in Argentina