Otacílio Costa is a municipality in the state of Santa Catarina, in the South region of Brazil. It is one of the many municipalities that make up Santa Catarina, a state in southern Brazil whose administrative divisions include both cities and smaller municipal districts.
The municipality is located in the interior of Santa Catarina, within the country's southern region. Like other municipalities in the state, it forms part of the local system of municipal governance that characterizes Brazil's federal structure, in which states are divided into municipalities as the smallest autonomous administrative units.
Beyond its status as a municipality in Santa Catarina, few details are widely documented in general reference sources. It should not be confused with other places bearing the name Otacílio Costa, as this entry refers specifically to the municipality in Santa Catarina, Brazil.