440 (disambiguation)

440 may refer to:


 * 440, the year
 * 440 BC, the year
 * 440 (number), the number
 * The 440-yard dash, a track-and-field event
 * Area code 440, a telephone area code in the Cleveland, Ohio area
 * A440 (pitch standard), the frequency of the note A above middle C used in standard western music theory
 * 440, the backup band for Dominican musician Juan Luis Guerra
 * Volvo 440, a hatchback
 * Škoda 440, a small family car
 * 4-4-0, a type of steam locomotive