Katekyō Hitman Reborn! Target 4 OST is the 4th Soundtrack Album of the Katekyō Hitman Reborn! series.

1. Stand Up! - Toshihiko Sahashi
2. Fortitude - Toshihiko Sahashi
3. Tre ne sette - Toshihiko Sahashi
4. Formidable Foe - Toshihiko Sahashi
5. New Power - Toshihiko Sahashi
6. Disquiet - Toshihiko Sahashi
7. Millefiore's Presence - Toshihiko Sahashi
8. Millefiore's Purpose - Toshihiko Sahashi
9. Nosaru & Tazaru - Toshihiko Sahashi
10. Prelude - Toshihiko Sahashi
11. The Varia, 10 Years Later - Toshihiko Sahashi
12. Fearless Smile - Toshihiko Sahashi
13. Assault - Toshihiko Sahashi
14. Runaway - Toshihiko Sahashi
15. X Burner - Toshihiko Sahashi
16. Resolution - Toshihiko Sahashi
17. To The Future - Toshihiko Sahashi
18. Cooperation - Toshihiko Sahashi
19. The Strongest Swordsman - Toshihiko Sahashi
20. The Real 6 Wreaths - Toshihiko Sahashi
21. Something Impossible - Toshihiko Sahashi
22. Assembly! - Toshihiko Sahashi
23. A Reliable Friend - Toshihiko Sahashi
24. New Encounter - Toshihiko Sahashi
25. Over the Wall - Toshihiko Sahashi
26. Unhappy Past - Toshihiko Sahashi
27. Despair - Toshihiko Sahashi
28. NEW ITEM 1 - Toshihiko Sahashi
29. NEW ITEM 2 - Toshihiko Sahashi
30. A Momentary Happiness - Toshihiko Sahashi
31. Repose - Toshihiko Sahashi
32. Happy Days - Toshihiko Sahashi
33. Family ~ Chinese Ver. - Tsunayoshi Sawada with Vongola Famiglia