Rober Haddeciyan (also spelled and pronounced as Haddedjian) (Armenian: Ռոպէր Հատտէճեան, born 26 January 1926), also known as Rober Haddeler, is an Armenian writer, playwright, and since 1967 editor-in-chief of Marmara, an Armenian-language daily newspaper.

[3][4] He graduated from the Pangaltı Armenian Mkhitarist High School in 1944 and is an Istanbul University Faculty of Letters Department of Philosophy graduate.

[5] Haddeciyan, who was already working for Marmara as a journalist, became the editor-in-chief of the newspaper in 1967.

One of his most famous books is his novel Arasdagh (Առաստաղ, Ceiling), which has also been published in Turkish under the title Tavan.

[6] In 2011, on the occasion of the 20th anniversary of the Republic of Armenia's Independence, President Serzh Sargsyan awarded Haddeciyan the Mesrob Mashdots Medal for his contributions to Armenian literature, theater, and journalism.