漏斗是一个筒型物体，被用作把液体及幼粉状物体注入入口较细小的容器。在漏斗咀部较细小的管状部份可以有不同长度。漏斗通常以不锈钢或塑胶制造，但纸制漏斗亦有时被使用于难以彻底清洗的物质，例如引擎机油。一些漏斗在咀部设有可控制的活门，让用户可控制流质流入的速度。漏斗常见于厨房；在实验室也可找到漏斗，有时会使用滤纸以隔滤结晶物等化学物质。

漏斗一词有时会被用作形容一些形状与漏斗相似的物体，例如蒸汽火车头的烟囱。

A funnel is a pipe with a wide, often conical mouth and a narrow stem. It is used to channel liquid or fine-grained substances into containers with a small opening. Without a funnel, spillage would occur.

Funnels are usually made of stainless steel, aluminium, glass, or plastic. The material used in its construction should be sturdy enough to withstand the weight of the substance being transferred, and it should not react with the substance. For this reason, stainless steel or glass are useful in transferring diesel, while plastic funnels are useful in the kitchen. Sometimes disposable paper funnels are used in cases where it would be difficult to adequately clean the funnel afterward (for example, in adding motor oil to a car). Dropper funnels, also called dropping funnels or tap funnels, have a tap to allow the controlled release of a liquid.