São Jerônimo is a municipality in the state of Rio Grande do Sul, Brazil.
São Jerônimo may also refer to: São Jerônimo da Serra, a municipality in Paraná, Brazil São Jerônimo River (Pinhão River tributary), a river in Paraná, Brazil São Jerônimo River (Tibagi River tributary), a river in Paraná, Brazil
See also Saint Jerome (disambiguation) San Jerónimo (disambiguation)