A sweetener is a food additive which adds the basic taste of sweetness to a food.

In Commonwealth English, "sweeteners" is usually used to refer to sugar substitutes.

Nutritive sweeteners

• sucrose (table sugar)
• sugar alcohols
• honey
• syrups, including
  • maple syrup
  • sugar beet syrup
  • corn syrup

Non-nutritive sweeteners

• aspartame
• saccharin
• cyclamate
• acesulfame-K
• alitame
• sucralose
• stevioside
• glycyrrhizin