Album was composed by Lesley Barber and was released on July 22, 2014. Soundtrack consists of 32 tracks tracks with duration over about 45 minutes. Album was released by Metropolis Movie Music.
CD 1
| 1 | Moth Diaries TitlesLesley Barber | 01:13 |  |
| 2 | Night Falls at Brangwyn HallLesley Barber | 02:12 | |
| 3 | Rooftop at Night 2Lesley Barber | 01:41 | |
| 4 | Dad FlashbackLesley Barber | 00:44 | |
| 5 | CarmillaLesley Barber | 01:36 | |
| 6 | Rebecca's JournalLesley Barber | 00:51 | |
| 7 | Lucie DisappearsLesley Barber | 01:35 | |
| 8 | Mr Davies Talks PoetryLesley Barber | 01:09 | |
| 9 | Ernessa SleepsLesley Barber | 02:15 | |
| 10 | Christmas DinnerLesley Barber | 00:28 | |
| 11 | First Time in the ForestLesley Barber | 00:51 | |
| 12 | SleepoverLesley Barber | 00:55 | |
| 13 | Library in BloodLesley Barber | 01:38 | |
| 14 | Ernessa at the HotelLesley Barber | 00:50 | |
| 15 | Dad in the GradenLesley Barber | 00:50 | |
| 16 | Ernessa ObsessionLesley Barber | 00:48 | |
| 17 | A Person MayLesley Barber | 02:23 | |
| 18 | Return to SchoolLesley Barber | 02:14 | |
| 19 | Erness on the RooftopLesley Barber | 01:40 | |
| 20 | Kiki Says GoodbyeLesley Barber | 00:45 | |
| 21 | Mr Davies Explains CarmillaLesley Barber | 00:47 | |
| 22 | Trunk in the BasementLesley Barber | 02:20 | |
| 23 | Lucy in the HospitalLesley Barber | 02:04 | |
| 24 | Ernessa at NightLesley Barber | 00:49 | |
| 25 | Doras DeathLesley Barber | 01:31 | |
| 26 | Meeting ErnessaLesley Barber | 00:45 | |
| 27 | Ernessa in LoveLesley Barber | 01:17 | |
| 28 | Lucy Is SickLesley Barber | 02:04 | |
| 29 | Feelings About Your FatherLesley Barber | 02:03 | |
| 30 | Rebecca Says GoodbyeLesley Barber | 01:18 | |
| 31 | Dad Memorial FlashbackLesley Barber | 01:13 | |
| 32 | Lucy DisappearsLesley Barber | 01:41 | |
