Shahmasur (Armenian: Շահմասուր) or Shahmansurlu (Azerbaijani: Şahmansurlu) is a village located in the Kalbajar District of Azerbaijan, in the region of Nagorno-Karabakh. The village had an ethnic Armenian-majority population before 2023 and in 1989.

During the Soviet period, the village was part of the Mardakert District of the Nagorno-Karabakh Autonomous Oblast.

Historical heritage sites in and around the village include a cemetery from between the 11th and 13th centuries, the 12th/13th-century church of Khachin Dzor (Armenian: Խաչին ձոր), an 18th/19th-century cemetery, a 19th-century church, and a 19th-century spring monument.

The population is mainly engaged in agriculture and animal husbandry. As of 2015, the village has a municipal building, a house of culture, a school, and a medical centre.

The village had 139 inhabitants in 2005, and 148 inhabitants in 2015.

• Shahmasur, Nagorno-Karabakh at GEOnet Names Server