In concepts

• Merger, the combination of two or more organisations, especially corporations, into one
• Merger doctrine in law, having different uses according to law specialty
• Merge (linguistics), one of the basic syntactic operations in generative syntax
• phonemic mergers, a linguistic concept whereby two sounds that were originally separate phonemes come to be pronounced exactly the same
• 'Municipal merger' or Amalgamation (politics), where two or more cities, towns, etc., are merged into one

In computer science

• Merge (revision control), combines simultaneously changed files in revision control
• Merge (software) is a 'Virtual Machine Monitor' computer package for running MS-DOS or Windows 9x on x86 processors under UNIX
• merge (Unix), is a Unix program that can merge three modified versions of a file
• merge (SQL) is a Data Manipulation Language statement in SQL.
• Merge algorithm which combines two or more sorted lists into a single sorted one
• Merge sort, a sort algorithm that sorts a list by relying on the merge algorithm

In buildings

• Merge in Takapuna, a proposed mixed-use skyscraper development in North Shore City, New Zealand

In music

• Merge Records, an indie-rock record label based in Chapel Hill, North Carolina
• Merge (album) by Canadian musician Randy Bachman

In medical research

• MERGE, the former name of ME Research UK, the UK charity funding biomedical research into ME/CFS

In journalism

• MERGE An Australian bi-monthly magazine