Ignacia del Espíritu Santo Juco, also known as Mother Ignacia (February 1, 1663 – September 10, 1748) was a Filipino Religious Sister of the Roman Catholic Church.
She was known for her acts of piety and religious poverty and founded the Congregation of the Sisters of the Religious of the Virgin Mary, the first native Filipino female congregation with approved pontifical status in what is now the Republic of the Philippines.Mother Ignacia del Espíritu Santo was declared Venerable by Pope Benedict XVI in 2007.