HP3 or variant, may refer to: * HP3, a postcode for Hemel Hempstead, see

HP postcode area The HP postcode area, also known as the Hemel Hempstead postcode area,Royal Mail, ''Address Management Guide'', (2004) is a group of twenty-four postcode districts in England, within eleven post towns. These cover north-west Hertfordshire (inclu ...

* hP3, a

Pearson symbol The Pearson symbol, or Pearson notation, is used in crystallography as a means of describing a crystal structure, and was originated by W. B. Pearson. The symbol is made up of two letters followed by a number. For example: * Diamond structure, ...

* ''

Harry Potter and the Prisoner of Azkaban ''Harry Potter and the Prisoner of Azkaban'' is a fantasy novel written by British author J. K. Rowling and is the third in the ''Harry Potter'' series. The book follows Harry Potter, a young wizard, in his third year at Hogwarts School of W ...

'', the third Harry Potter novel *

Harry Potter and the Prisoner of Azkaban (film) ''Harry Potter and the Prisoner of Azkaban'' is a 2004 fantasy film directed by Alfonso Cuarón from a screenplay by Steve Kloves, based on the 1999 novel of the same name by J. K. Rowling. It is the third instalment in the ''Harry Potter' ...

, the third Harry Potter film * Handley Page Type C aka ''H.P.3'', an airplane * HP-3, a glider designed by Richard Schreder * HP3, a type of photographic stock, see

Ilford HP HP is a cubic-grain black-and-white film from Ilford Photo Harman Technology, trading as Ilford Photo, is a UK-based manufacturer of photographic materials known worldwide for its ILFORD branded black-and-white film, papers and chemica ...

* HP³,

Heat Flow and Physical Properties Package The Heat Flow and Physical Properties Package (HP3) is a science payload on board the ''InSight'' lander that features instruments to study the heat flow and other thermal properties of Mars. One of the instruments, a burrowing probe nicknamed ...

, an instrument aboard the ''

InSight Insight is the understanding of a specific cause and effect within a particular context. The term insight can have several related meanings: *a piece of information *the act or result of understanding the inner nature of things or of seeing intu ...

'' Mars lander

See also