10°27′10″S 36°39′03″W / 10.45278°S 36.65083°W / -10.45278; -36.65083 Pacatuba is a municipality located in the Brazilian state of Sergipe. Its population was 14,540 (2020) and its area is 364 km².

The municipality contains part of the 5,547 hectares (13,710 acres) Santa Isabel Biological Reserve, a strictly protected conservation unit created in 1988.