Maintenance fee

Maintenance fee may refer to:
 * Maintenance, repair, and operations, fees paid by tenants for the upkeep of the building
 * A fee to be paid to maintain a patent or patent application into force, see maintenance fee (patent)
 * A management fee, see Mutual fund fees and expenses
 * Maintenance fee (EPA), the annual fees paid by pesticide manufacturers and formulators to continue registration of pesticide active ingredients and products with the Environmental Protection Agency