Middy

Middy may refer to:


 * A middy blouse, an item of Sailor dress worn by girls and young women in the early twentieth century;
 * The Mid-Suffolk Light Railway, an English railway company operating in the first half of the twentieth century;
 * A half pint beer glass, a term used in certain states of Australia.

People with the forename

 * Middy Morgan (1828-1892), Irish-born American livestock expert