A peck is an Imperial unit and U.S. customary unit of dry volume, equivalent in each of these systems to 8 dry quarts, or 16 dry pints. (Note that in the U.S. Customary system a dry measure is not the same as wet measure : for example, a dry pint is not the same as a wet pint. The imperial peck is different to the US Customary peck). Two pecks make a kenning, and four pecks make a bushel.

The peck occurs in such phrases as "eat a peck of dirt before you die" or "Peter Piper picked a peck of pickled peppers". Apples are still sold in baskets amounting to a peck in the United States, but the term "peck" is not commonly used.

Gregory Peck was an American actor.