Olofström, previously Holje by, is a locality in Blekinge County, Sweden with 7,327 inhabitants in 2010.
in 1967, the market town of Olofström was merged with the villages Kyrkhult and Jämshög to create Olofström Municipality. Olofström is the seat of Olofström Municipality.
The increased use of cars in the 1950s and 1960s was the great boost for the municipality. Today the automobile industry, dominated by Volvo Cars, is the largest employer in Olofström.