Santa Ignacia, officially the Municipality of Santa Ignacia (Pangasinan: Baley na Santa Ignacia; Ilocano: Ili ti Santa Ignacia; Tagalog: Bayan ng Santa Ignacia), is a municipality in the province of Tarlac, Philippines. According to the 2024 census, it has a population of 53,620 people.

The municipality is named after Venerable Mother Ignacia del Espíritu Santo, foundress of the Religious of the Virgin Mary – the first religious order open to Filipinas.

Santa Ignacia is 26 kilometres (16 mi) from provincial capital Tarlac City, 150 kilometres (93 mi) from Manila, and 10 kilometres (6.2 mi) from Camiling.

Santa Ignacia has a total land area of 14,607 hectares (36,095 acres).

Santa Ignacia is politically subdivided into 24 barangays, as shown below.  Each barangay consists of puroks and some have sitios.

There are two barangays (highlighted in bold) which considered as urban while the rest of 22 barangays are rural.

In the 2020 census, the population of Santa Ignacia, Tarlac, was 51,626 people, with a density of 350 inhabitants per square kilometre or 910 inhabitants per square mile.

Poverty incidence of Santa Ignacia