Best Friend may refer to:
- Best Friend, a song by ParuneP featuring Rana.
- Best Friend, a song by Tokyo Elvis featuring Hatsune Miku.
- Bestfriend, a song by Shareotsu-P featuring Megurine Luka.
- Best Friend Treasure, a song by Rinna featuring Rana.
- BEST FRIENDS, a song by Azell featuring Hatsune Miku or Megurine Luka.
- Best Friends, a song by Sarifag1 featuring Fukase and Ruby.
- Best Friends, a song by SEIRI featuring KAITO and Hatsune Miku.
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