These are the top ten all-time most disliked videos around the world on YouTube, starting with a video from YouTube themselves.

1. YouTube Rewind 2018: Everyone Controls Rewind | #YouTubeRewind
18.5 million dislikes
2. Sadak 2 | Official Trailer | Sanjay | Pooja | Alia | Aditya | Jisshu | Mahesh Bhatt | 28 Aug
13.3 million dislikes
3. Justin Bieber – Baby (Official Music Video) ft. Ludacris
11.8 million dislikes
4. Baby Shark Dance | Most Viewed Video on YouTube | PINKFONG Songs for Children
10.4 million dislikes
5. YouTube Rewind 2019: For the Record | #YouTubeRewind
9.2 million dislikes
6. Johny Johny Yes Papa 👶 THE BEST Song for Children | LooLoo Kids
7.9 million dislikes
7. Учим цвета-Разноцветные яйца на ферме
6.9 million dislikes
8. Vitão, Luísa Sonza – Flores
5.4 million dislikes
https://youtu.be/meL5o_pmU_w
9. Bath Song | CoComelon Nursery Rhymes & Kids Songs
5.2 million dislikes
10. Can this video get 1 million dislikes?
5.0 million dislikes

Find the top 10 most-liked YouTube videos here.