Danica Vilma Franciska Širola (18 April 1900 - 2 September 1926) was a Croatian school teacher, poet and Catholic laywoman, known as a "Teacher of the holy life" and "Croatian Little Flower". Her poems were published in several Croatian Catholic magazines, and during her lifetime she wrote a spiritual diary and an autobiography. At the age of twenty, she took a vow of virginity. She died at the age of 26, with a reputation for holiness, after a two-year battle with tuberculosis. Her collected works were published in 2021 in Zagreb.