A baby hatch or baby box is a place where people (typically mothers) can bring babies, usually newborn, and abandon them anonymously in a safe place to be found and cared for. This kind of arrangement was common in the Middle Ages and in the 18th and 19th centuries, when the device was known as a foundling wheel. Foundling wheels were taken out of use in the late 19th century, but a modern form, the baby hatch, began to be introduced again from 1952 and since 2000 has come into use in many countries, most notably in Pakistan where there are more than 300. They can also be found in Germany, where there are around 100, Czech Republic (76) and Poland (67).

The hatch is known in German-speaking countries as a Babyklappe (baby hatch or flap), Babyfenster (baby window) or Babywiege (baby cradle); in Italian as Culla per la vita (life cradle) or ruota dei trovatelli (foundling wheel); in Sicilian as la ruota (the wheel); in Japanese as Akachan posuto (赤ちゃんポスト, baby post box); in Chinese as 婴儿安全岛 (pinyin: Yīng'ér ānquándǎo; lit. 'baby safety island') and in Polish as Okno życia (window of life) and in South Africa originally known as "the hole in the wall" by Door of Hope Children's Mission. The hatches are usually in hospitals, social centres, or churches, and consist of a door or flap in an outside wall which opens onto a soft bed, heated or at least insulated. Sensors in the bed nowadays alert carers when a baby has been put in it so that they can come and take care of the child. In Germany, babies are first looked after for eight weeks during which the mother can return and claim her child without any legal repercussions. If this does not happen, after eight weeks the child is put up for adoption.