Ubi primum

Ubi primum may refer to :


 * Ubi primum (1740) is an encyclical of Pope Benedict XIV considered to be the first ever encyclical of the Catholic Church
 * Ubi primum (1824) is an encyclical of Pope Leo XII on his assuming the pontificate
 * Ubi primum (1847) is an encyclical of Pope Pius IX about discipline in religion
 * Ubi primum (1849) is an encyclical of Pope Pius IX to the bishops of the Catholic Church asking them for opinion on the definition of a dogma on the Immaculate Conception of the Virgin Mary
 * Ubi primum (1898) is an apostolic constitution by Pope Leo XIII regarding the Confraternity of the Rosary