HP6

HP6 or variant, may refer to:


 * HP6, a postcode for Amersham, see HP postcode area
 * hP6, a Pearson symbol
 * Harry Potter and the Half-Blood Prince, the sixth Harry Potter novel
 * Harry Potter and the Half-Blood Prince (film), the sixth Harry Potter film
 * Handley Page Type F aka H.P.6, an airplane
 * HP-6, a glider designed by Richard Schreder