Mackerel (disambiguation)

Mackerel may refer to:
 * Mackerel, any of a number of different species of fish
 * Mackerel as food
 * Mackerel sky, a formation of altocumulus clouds
 * Mackerel, a type of Tabby cat
 * Great Mackerel Beach, NSW, Australia
 * Mackerel Islets, two small islands off eastern Tasmania, Australia
 * HMS Mackerel, the name of three ships of the Royal Navy
 * USS Mackerel, the name of two submarines of the U.S. Navy