BRE, Bre, or BrE may refer to:

Computing

• Barren Realms Elite, a multi-player bulletin board system strategy game
• Basic regular expression, expressions used for computerized text matching
• Business rules engine, a software system to manage and execute business rules

Science

• B recognition element, a DNA sequence
• benign Rolandic epilepsy, a syndrome
• BRE (gene), human gene
• Bloom–Richardson–Elston grading system for breast cancer

Organisations

• Building Research Establishment, institution in United Kingdom

Language

• BrE, common abbreviation for British English
• bre (interjection)
• Breton language (SIL language code)

Transport

• Bremen Airport, Germany (IATA code)
• Brentwood railway station (National Rail station code BRE)

Other uses

• Bachelor of Religious Education
• Berkeley Review of Education, an academic journal
• Brè, a village in Switzerland
• Brecknockshire, historic county in Wales, Chapman code
• Bre people, an ethnic group in Burma
• Bustle Rack Extension, a storage bin mounted on the rear of the M1 Abrams tank's bustle rack
• Brock Racing Enterprises → Pete Brock