Rate or rates may refer to:

• Rate (mathematics), a specific kind of ratio, in which two measurements are related to each other
• Rates (tax), a type of taxation system used to fund local government
• Naval rating, a term used to designate speciality or rank of naval officials
• Rate of a ship, a term indicating a sail ship's firepower in the British Royal Navy
• Rates, a Portuguese parish and town located in the municipality of Póvoa de Varzim
• Radioisotopes and the Age of the Earth (RATE), a young Earth creationist research project