Top Possession/Ghost Movies

Ghost/Haunted House Movies

1) Ringu Series (The Ring American version too)

2) Ju-On Series (The Grudge 1-3 American version)

3) Sinister

4) The Shining

5) Scary Stories to Tell in the Dark

6) House on Haunted Hill

7) The Haunting

8) Poltergeist

9) The Sixth Sense

10) Shutter

Honorable Mentions:

A Haunting in Connecticut1-2

The Changeling

Still/Born

Possession/Demonic Movies

1) The Exorcism of Emily Rose

2) The Conjuring Series including Annabelle and The Nun

3) Insidious Series

4) The Exorcist 1-3

5) The Rite

6) Fallen

7) Mirrors

8) Amityville Horror

9) The House of the Devil

10) The Taking of Deborah Logan

Honorable Mentions:

The Beyond

The Ninth Gate

The Prodigy

Z

Silent Hill

Don't see your favorite, mention in the comments and I'll give it a watch. (Note: I have seen The Omen, Paranormal Activity 1-3, Evil Dead, The VVitch, Stigmata, Hereditary, Hellraiser, and The Devil Inside.)