| Diana Haller | |
| Birth Date: | 11 November 1986 |
| Birth Place: | Rijeka, Croatia |
| Occupation: | Opera and classical singer (mezzo-soprano) |
| Years Active: | 2009–present |
| Website: | dianahaller.com |
Diana Haller (born 11 November 1986) is a Croatian mezzo-soprano and active in opera, oratorio, and recital.[1] She was named "Nachwuchssängerin des Jahres 2013" (Young singer of the year 2013) by the magazine Opernwelt.
Haller was born in Rijeka (Croatia), in a family of Croatian and Italian background. She grew up in an artistic family being a great-granddaughter of the pianist Emilia Haller,[2] granddaughter of the painter Antun Haller,[3] and nephew of the musicians Roberto Haller and his wife Ingrid Haller.