Das Boot (1981)
The Godfather (1972)
Jūsannin no Shikaku (13 Assassins) (2010)
Blade Runner (1982)
Ben Hurr (1959)
Akira (1988)
Mononoke-hime (Princess Mononoke) (1997)
Kôkaku Kidôtai (Ghost in the Shell) (1995)
Apocalypse Now: Final Cut (1997/2019)
Oldeuboi (Oldboy) (2003)

Impossible to pick just 10. I could replace most with some other movie and it still would be okay. Let's say the first four are truly special for me these years.

Mulholland Drive
Love Exposure
Mirrormask
Crna Macka Beli Macor
The Nightmare before Christmas
Song of the Sea
The Triplets of Belleville
Delicatessen
Tři oříšky pro Popelku
Tais-Toi! (dubbed)

SO hard to say. There are many I can watch over and over again and enjoy...
ABBOTT & COSTELLO MEET FRANKENSTEIN
CHARLIE CHAN IN EGYPT
ARSENIC AND OLD LACE
BRINGING UP BABY
BIG TROUBLE IN LITTLE CHINA
RUSH HOUR
YOU'LL FIND OUT
the whole HARRY POTTER series

This is my old list.. i like newer movies now too but i forget which ones so

The Lakehouse
The Proposal
Henry’s Crime
Burn After Reading
Wild Target
Girl on a bicycle
Confessions of a Christmas Letter
The Song of Names
Just like Heaven
Hit Man

1. The Crow
2. Drop Dead Fred
3. The Labyrinth
4. From Dusk Till Dawn
5. Howl's Moving Castle
6. Deadpool
7. Corpse Bride
8. Interview With A Vampire
9. All the Alien films.
10. Lord Of The Rings.........There's too many to choose!

In no particular order.

1. RoboCop (Original)
2. The Terminator
3. Aliens
4. Jurassic Park
5. The Crow (Original)
6. The Neverending Story
7. Robin Hood: Men in Tights
8. The Fith Element
9. 28 Days Later
10. IT (remake)

The Lord of the Rings
Avengers: Infinity War and Endgame
Kill Bill
Oldboy
Clerks
Sin City
The Ring
One Flew Over the Cuckoo’s Nest
Spirited Away
Evil Dead

Honorable mentions: Unbreakable and The Curious Case of Benjamin Button

They're all old to really old. The oldest would be The Kid.

Aliens
Robocop (original 1987)
Predator
Raiders of the Lost Ark
Back to the Future
Once Upon A Time in Hollywood
Star Wars
The Empire Strikes Back
Event Horizon
Return of the Jedi

Man From Snowy River
Sequel to same
All Harry Potter
High Noon

Star Wars
Empire Strikes Back
Return Of The Jedi
Indiana Jones
Barber Shop
Oceans 11
Oceans 12
The Notebook
The Proposal
Gone In 60 Seconds

Rocky
Loaded Weapon
Our Hospitality
River's Edge
One flew over the
cuckoo's nest
A tree grows in Brooklyn
Wuthering Heights
Of human bondage
Rock a bye baby
Dances with wolves

Lord of the Rings Trilogy
Spirited Away
Pink Panther (Steve Martin) (special significance, I know it's shit)
Cinema Paradiso
Dirty Rotten Scoundrels
Willow
Luca
Big Hero 6
Titanic
Dances With Wolves

Yo mama does Dallas
Dances with yo mama
I know what yo mama did last night
Night of yo living mama
Godzilla vrs yo mama
Star Trek the wrath of yo mama
How to train yo mama
The good the bad and yo mama
One flew over yo mamas nest
No country for yo mama