Natalbany is a census-designated place (CDP) in Tangipahoa Parish, Louisiana, United States. The population was 1,739 at the 2000 census. It is part of the Hammond Micropolitan Statistical Area.
Natalbany is located at 30°32′52″N 90°29′2″W / 30.54778°N 90.48389°W / 30.54778; -90.48389 (30.547856, -90.483765).
According to the United States Census Bureau, the CDP has a total area of 4.5 square miles (11.6 km²), of which, 4.4 square miles (11.4 km²) of it is land and 0.1 square miles (0.2 km²) of it (1.56%) is water (including Ponchatoula Creek).