Diana Hajiyeva (Azerbaijani: Diana Hacıyeva, Ukrainian: Діана Гаджиєва, Russian: Диана Гаджиева; born 13 June 1989) is an Azerbaijani singer and songwriter. She is a member and the lead vocalist of the group Dihaj, which represented Azerbaijan in the Eurovision Song Contest 2017 with the song "Skeletons" finishing in 14th place.^[1]

Hajiyeva was born in Mariupol, Ukraine while the country was a part of the Soviet Union.^[2] Since her childhood she was engaged in music, took lessons on a piano and was interested in jazz. She was a member of the musical collective "Bery Bach".^[3]

She graduated from Baku Academy of Music. Here she received the education of a choral conductor. During the years of studying at the academy she was engaged in jazz at a professional level. Currently she works at the Baku Jazz Center.^[3]

She lived in London, England, where she graduated from The Institute of Contemporary Music Performance.

Later she launched her personal trio group called Dihaj — from the first letters of her first and last name.

She married Ali Nasirov, a member of Dihaj, in 2009. Together, they have a daughter named Savi.^[4]

She previously attempted to represent Azerbaijan in the Eurovision Song Contest 2011.^[5][6]

In 2017, she performed the song "Skeletons". She finished in 14th place out of the 26 countries in the final, with a total of 120 points.

In April 2022, Hajiyeva and pianist Afgan Rasul represented Azerbaijan in the Jazzahead 2022 festival in Germany.^[7]