• Administration (business), the performance or management of business operations
• Management, the act of directing people towards accomplishing a goal
• Central Administration, the highest administrative department of an organization

In computing

• System administration, a person who maintains and operates a computer system or network

In law

• Administration of an estate on death, arising if the deceased is legally intestate
• Administration (insolvency), a mechanism allowing insolvent companies to continue running their business. Includes Administrative receivership