Barbie and the Diamond Castle
- Gore: 2008
- Nyika: Canada, United States of America
- Genre: Animation, Family
- Studio: Mattel, Rainmaker Entertainment
- Keyword: musical, based on toy
- Mutungamiriri: Gino Nichele
- Cast: Kelly Sheridan, Melissa Lyons, Maryke Hendrikse, Cassidy Ladden, Nicole Oliver, Chantal Strand