The term bloom mostly means one or more flowers on a flowering plant. The word may also be used as a metaphor for young people at the peak of their beauty or health. See also Blossom.

Bloom may also mean:


Entertainment
 Club Blooming is a football (soccer) club and academy from Santa Cruz de la Sierra, Bolivia.
 Bloom (novel) is a science fiction novel by Wil McCarthy.
 Bloom (boutique) is a specialty boutique in Newark, Delaware.
 Bloom (movie) is a 2004 movie based on James Joyce's novel Ulysses.
 Bloom (band) is an Australian trip hop band from the mid-1990s.
 Bloom is the name of several record albums. See Bloom (album)
 Bloom (Winx Club) is a fictional character from the Winx Club animated series.

Science 
 In direct reduced iron, bloom is the name for an unconsolidated mass of iron metal, mixed with remains of slag and charcoal that is produced in the 'bloomery' process. 
 The same term is used for a similar mass of iron metal produced in the finery process.  
 Bloom is also the name for a section of steel, with the dimensions of 630 mm wide, 400 mm high and 6 m long. Compare with billet and slab.
 Bloom filter is a probabilistic method to find a subset of a given set.
 Charge-coupled device bloom is a property of CCD image sensors that causes charge from the potential well of one pixel to overflow into others.
 Blooming (laser) is an effect of laser beams and particle beams in air.  See Directed-energy weapon#Blooming
 Bloom (test) is a test to measure the strength of a gel or gelatin.
 Bloom (shader effect) is a graphics effect used in modern 3D computer games.
 Bloom is also used to refer to the whitish covering which sometimes appears on improperly  tempered chocolate.
 Bloom is used to refer to the glaucous, bluish appearance of plant surfaces covered with epicuticular wax.
 Bloom is a term to describe the process involving Meat.. All meat is more of a brown color until the oxygen hits it and the myoglobins turn it red..This process is called "blooming". If Meat is deprived of oxygen the same applies..it will turn dark in those spots that, touch something. The meat "blooms" when exposed to air and turns red.

Nature
 A bloom can be a large swarm (or "smack") of jellyfish.
 The phenomenon of algal bloom.
 Bloom on fruit such as plums or grapes is a white or bluish covering. Once thought to be wild yeast cells, it is now known to be waxy coverings to the epithelial cells of the fruit, presumably intended to provide some protection from environmental damage.

People named Bloom
Allan Bloom (1930–1992), American philosopher and author.
Benjamin Bloom (1913–1999), American educator.
Bobby Bloom (1946–1974), American singer songwriter best known for one hit wonder "Montego Bay" in 1970.
Claire Bloom (born 1931), British actor.
David Bloom (1963–2003), NBC journalist.
Harold Bloom (1930–2019), American literary critic.
Harry Bloom (1913–1981), South African novelist and activist.
Howard Bloom (born 1943), American author.
Luka Bloom (born 1955), Irish musician.
Matthew Bloom (born 1972), American wrestler.
Leopold Bloom and Molly Bloom, fictional characters in James Joyce's Ulysses.
Orlando Bloom (born 1977), English actor.
Ursula Bloom (1892–1984), English writer.
Verna Bloom (1938–2019), American actress, best known for role in Animal House.

Business
Bloom (store) is a U.S. supermarket chain operated by Food Lion LLC.

Education
Bloom Public School is a K–12 school in Vasant Kunj, New Delhi, India.