According to Tumblr's Year in Review, these are the most reblogged ships of 2015.
1. Larry Stylinson
2. Dan and Phil
3. Destiel
4. Olicity
5. Captain Swan
6. Korrasami
Avatar Korra <3 Asami Sato, The Legend of Korra
7. SasuSaku
8. Clexa
9. Stucky
10. Hollstein
11. Bellarke
12. Johnlock
13. J2
14. Swan Queen
15. Ereri
16. Sterek
17. NaruHina
Naruto Uzumaki <3 Hinata Hyüga, Naruto