Mains

Mains may refer to:


 * Mains electricity ("line power" in the United States)
 * Mains electricity by country
 * Electricity transmission
 * Public utility, "mains services", including electricity, natural gas, water, and sewage disposal
 * Main course, the primary dish of a meal, following a starter
 * Mains (Scotland), the main buildings of a farm
 * BMX racing
 * Water mains
 * Author abbreviation for Edwin Butterworth Mains