A surcharge may mean:
- an extra fee added onto another fee or charge
- fuel surcharge, sky freight charges which represents additions due to jet fuel prices.
- bunker adjustment factor, sea freight charges which represents additions due to oil prices.
- surcharge (payment systems) charged when paying with cheque, credit, charge or debit card
- an overprint that affects the value of a postage stamp
- a surcharge (sanction) against a public servant who has abused public funds
- any loading from above the soil line upon earth being supported by a retaining wall
- Surtax, extra tax levied upon tax