HTP may refer to:
Music Heitor Pereira, a composer professionally known as Heitor TP Hughes Turner Project, a British rock group HTP (album), their 2002 debut album "Hail to Pitt", a fight song of the University of Pittsburgh
Other uses Belarus High Technologies Park Hasee Toh Phasee, a 2014 Indian romantic comedy film Heated tobacco product High-test peroxide, a highly concentrated solution of hydrogen peroxide, used e.g. as a rocket propellant Hotep (Egyptian: ), regularly found in the names of ancient Egyptian figures 5-hydroxytryptophan (abbreviated 5-HTP) HTP Winward Motorsport, a German auto racing team