Heres some suggestions i know you said 80's to 2000 but some of the ones i list are before 1980 (some of them have remakes but i prefer the originals so i'm listing those Lol)
Listed by year:
Night of the Living Dead (1968)
The radiation from a fallen satellite might have caused the recently deceased to rise from the grave and seek the living to use as food. This is the situation that a group of people penned up in an old farmhouse must deal with.
Black Christmas (1974)
A sorority house is terrorized by a stranger who makes frightening phone calls and then murders the sorority sisters during Christmas break.
Carrie (1976)
Carrie White is a shy young girl who doesn't make friends easily. After her class mates taunt her about her horrified reaction to her totally unexpected first period one of them takes pity on her and gets Tommy Ross, her boyfriend and class hunk to invite Carrie to the senior prom. Meanwhile another girl who has been banned from the prom for her continued aggressive behaviour is not as forgiving and plans a trick to embarrass Carrie in front of the whole school. What she doesn't realise is that Carrie is ... gifted, and you really don't want to get her angry.
Halloween (1978)
The year is 1963, the night: Halloween. Police are called to 43 Lampkin Ln. only to discover that 15 year old Judith Myers has been stabbed to death, by her 6 year-old brother, Michael. After being institutionalized for 15 years, Myers breaks out on the night before Halloween. No one knows, nor wants to find out, what will happen on October 31st 1978 besides Myers' psychiatrist, Dr. Loomis. He knows Michael is coming back to Haddonfield, but by the time the town realizes it, it'll be too late for many people.
Alien (1979)
A mining ship, investigating a suspected SOS, lands on a distant planet. The crew discovers some strange creatures and investigates
Friday the 13th (1980)
Camp counselors are stalked and murdered by an unknown assailant while trying to reopen a summer camp that was the site of a child's drowning.
My Bloody Valentine (1981)
A decades old folk tale surrounding a deranged murderer killing those who celebrate Valentine's Day, turns out to be true to legend when a group defies the killer's order and people start turning up dead.
The Thing (1982)
Scientists in the Antarctic are confronted by a shape-shifting alien that assumes the appearance of the people that it kills.
Christine (1983)
A nerdish boy buys a strange car with an evil mind of its own and his nature starts to change to reflect it.
A Nightmare on Elm Street (1984)
On Elm Street, Nancy Thompson and a group of her friends including Tina Gray, Rod Lane and Glen Lantz are being tormented by a clawed killer in their dreams named Freddy Krueger. Nancy must think quickly, as Freddy tries to pick off his victims one by one. When he has you in your sleep, who is there to save you?
The Hitcher (1986)
A young man who escaped the clutches of a murderous hitch-hiker is subsequently stalked, framed for the hitcher's crimes, and has his life made into hell by the same man he escaped.
It (1990)
In 1960, a group of social outcasts who are bullied by a gang of greasers lead by Henry Bowers are also tormented by an evil demon who can shapeshift into a clown and feed on children's fears and kill them. After defeating the demonic clown as kids, it resurfaces 30 years later and they must finish it off as adults once again.
The People Under the Stairs (1991)
Two adults and a juvenile burglar break into a house occupied by a brother and sister and their stolen children and can't escape.
Candyman (1992)
Helen Lyle is a student who decides to write a thesis about local legends and myths. She visits a part of the town, where she learns about the legend of the Candyman, a one-armed man who appears when you say his name five times, in front of a mirror. Of course, Helen doesn't believe all this stuff, but the people of the area are really afraid. When she ignores their warnings and begins her investigation in the places that he is rumored to appear, a series of horrible murders begins. Could the legend be true?
From Dusk Till Dawn (1996) alot of good actors in this
Two criminals and their hostages unknowingly seek temporary refuge in an establishment populated by vampires, with chaotic results.
I Know What You Did Last Summer (1997)
Four teens are in great danger one year after their car hits a stranger whose body they dump in the sea.
The Faculty (1998) One of my all time fave movies
Students suspect that their teachers are aliens after bizarre occurances.
Sleepy Hollow (1999)
Ichabod Crane is sent to Sleepy Hollow to investigate the decapitations of 3 people with the culprit being the legendary apparition, the Headless Horseman.
Jeepers Creepers (2001)
A brother and sister driving home for spring break encounter a flesh-eating creature in the isolated countryside that is on the last day of its ritualistic eating spree.
The Others (2001)
A woman who lives in a darkened old house with her two photosensitive children becomes convinced that her family home is haunted.
The Hole (2001) Another of my fave movies, not really a horror movie but a great watch anyways
Four teenagers at a British private school secretly uncover and explore the depths of a sealed underground hole created decades ago as a possible bomb shelter.
Poll