Preen

Preen may refer to:

Birds

 * Preening, personal grooming of a bird's feathers especially by using its beak
 * Preen gland, also called the uropygial gland, an oil gland found in many bird species
 * Preen oil, an oil made by the uropygial gland found in many bird species

Products

 * Preen, a trade name for trifluralin

Surname

 * Garyn Preen (born 1991), Welsh footballer
 * Alan Preen (born 1935), former sportsman who played Australian rules football