Boom ( , ) is a Belgian town, located in both the arrondissement and province of Antwerp. In 2021, Boom had a total population of 18,799. The total area is 7.37 km<sup>2</sup> (2.85 sq mi). Residents are known as "Boomenaren".
Since 2005, Boom has hosted the annual electronic dance music event Tomorrowland.
Recorded history of this community started in the late 1300s. A population surge in Boom occurred some time during the 19th century. In Boom, people venerate a statue of Our Lady of Boom.
Boom is located between three big cities (Brussels, Antwerp and Ghent), and is situated along the Rupel river.
Boom has an oceanic climate (Köppen climate classification: Cfb).
Because of the presence of clay around Boom, the region is well known for and has many clay pits and brick factories.
According to the website of the town, this is the current list of the "basisscholen" (Elementary Schools) in Boom directly.
According to the website from Boom, this is the list of the "secundaire scholen" (secondary schools - High School and Middle School) in Boom directly.
The movie La Kermesse héroïque (Carnival in Flanders) directed by Jacques Feyder in 1935 takes place in the town of Boom.