Ang manok ay isang uri ng domestikadong ibon na kadalasang kabilang sa mga pagkaing niluluto at inuulam ng tao. Tandang ang tawag sa lalaking manok, inahin naman ang sa babaeng manok, at sisiw para sa mga inakay o anak na ibon nito. Ang mabata-batang inahin ay tinatawag na dumalaga.Chicken is the most common type of poultry in the world.^[1] Owing to the relative ease and low cost of raising them in comparison to animals such as cattle or hogs, chickens have become prevalent throughout the cuisine of cultures around the world, and their meat has been variously adapted to regional tastes.

Chicken can be prepared in a vast range of ways, including baking, grilling, barbecuing, frying, and boiling, among many others, depending on its purpose. Since the latter half of the 20th century, prepared chicken has become a staple of fast food. Chicken is sometimes cited as being more healthful than red meat, with lower concentrations of cholesterol and saturated fat.^[2]

The poultry farming industry that accounts for chicken production takes on a range of forms across different parts of the world. In developed countries, chickens are typically subject to intensive farming methods, while less-developed areas raise chickens using more traditional farming techniques. The United Nations estimates there to be 19 billion chickens on Earth today, making them outnumberhumans more than two to on