Lacombe is a census-designated place (CDP) in St. Tammany Parish, Louisiana, United States.

[5] As of the 2020 United States census, there were 8,657 people, 3,456 households, and 2,260 families residing in the CDP.

Lacombe is within the St. Tammany Parish Public Schools district.

St. Tammany Parish Library operates the Lacombe Branch.

[18] The main campus of Northshore Technical Community College is in Lacombe.