Hexen
Hexen may refer to:

 N-Ethylhexedrone, a stimulant drug
 Hexen: Beyond Heretic, a 1995 dark fantasy video game 
 Hexen II, a 1997 video game sequel

See also
 Haxan (disambiguation)
 (Z)-3-hexen-1-ol acetyltransferase
 3,5,5-Trimethyl-2-cyclo-hexen-1-one
 cis-3-Hexen-1-ol
 cis-3-Hexenal
 Hexene