Counting short films literally hundreds, but let's not do that.
So uhm, let's see:
1. Split
2. I Am Not Your Negro
3. The Lego Batman Movie
4. Get Out
5. Raw
6. Your Name (it counts IMO, it gets released in two days in The Netherlands)
7. Loving Vincent
8. Tehran Taboo
9. Lu Over the Wall
10. Colossal
11. My Entire High School Is Sinking into the Sea
12. Guardians of the Galaxy Vol. 2
13. Alien Covenant
14. Wonder Woman
15. It Comes at Night
16. The Big Sick
17. Baby Driver
18. Okja
19. Spider-Man Homecoming
20. Dunkirk
21. Like Me
22. In This Corner of the World (saw it in 2016, wasn't released outside Japan until 2017)
23. Big Fish & Begonia (again, saw it in 2016, but it didn't get a release outside of China until 2017)
24. mother!
25. Blade Runner 2049
26. Logan
27. The Babysitter
28. The Meyerowitz Stories
Huh, that's more than I thought.
EDIT: I keep forgetting those damn Netflix exclusives, lol. Which is a shame, because The Meyerowitz Stories is legitimately one of the best films this year.