Hamastegh (also Hamasdegh, (Armenian: Համաստեղ), born Hambardzum Gelenian (Armenian: Համբարձում Կելենյան, 26 November 1895, Kharpert, Western Armenia, Ottoman Empire – 26 November 1966, New York City) was a poet and writer of the Armenian diaspora.
Hamastegh (Hambardzum Gelenian) was born and spent his childhood in the village of Perjench, near Kharpert. His teacher was the famous Tlgadintsi. He lived in Medford, Massachusetts, near Boston United States. His most famous works are "The Village", "Rain", "First Love", .and the "White Horseman" (Sbidag Tsiavoruh).