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 H.P.6, an airplane HP-6, a glider designed by Richard Schreder
See also HP (disambiguation)