Halloween II may refer to:

Halloween II (1981 film), the first sequel to Halloween (1978)

Halloween II (1981 soundtrack), the soundtrack to the 1981 film

Halloween II (2009 film), the sequel to Halloween (2007)

Halloween II (2009 soundtrack), the soundtrack to the 2009 film

"Halloween II" (Brooklyn Nine-Nine), 4th episode 2nd season

"Halloween II", a song by The Misfits from the 1981 "Halloween" single

"Halloween II", a song by Samhain from the 1986 album Samhain III: November-Coming-Fire

Halloween II: The Blackest Eyes, a 2001 comic book written by Phil Nutman from Chaos! Comics