Guy Gilboa-Dalal, 23, attended the festival with his brother. In June, an unnamed released hostage was reported as saying they had been held in a room with Guy after their capture.
Eitan Mor, 24, was working as a security guard at the festival. In June, his father told Israeli radio that “the last sign of life” his family had had of Eitan was four months previously, but he did not give any details.
Alon Ohel, 23, is a Serbian citizen who was attending the festival. Hamas footage showed him being taken away as a hostage, but his mother said in August that she had not seen or heard of him since then.
Maxim Kharkin, 36, was invited to the festival at the last moment. He texted his mother twice after the attack, but has not been seen or heard of since.
Segev Kalfon, 26, was running away from the festival, across the highway, when he was captured by Hamas.
Romi Gonen, 24, was ambushed as she tried to escape from the Supernova festival. Her mother, Merav Leshem Gonan, addressed the UN Human Rights Council in June, when she appealed for international help to release the hostages.
Bar Kuperstein, 23, was working at the festival when the attack took place. His family say they identified him in a video of Israeli prisoners, posted by Hamas. Since then, they say they have had no further information.
Eliya Cohen, 27, and his girlfriend initially hid from the attackers in a shelter, but he was discovered, and driven away. In June, Hamas footage was released showing the moment Cohen and others were taken prisoner.
Elkana Bohbot, 35, had gone to the party with friends and, before losing contact, he spoke to his wife and mother telling them he was helping to evacuate the wounded, the Times of Israel reported. Hours later, his family found a video of him posted online by Hamas, which has been seen by BBC Verify.
Rom Braslavski, 20, was working on security for the festival. According to an account published by Hostages and Missing Families Forum, he was trying to rescue an injured person in the attack when he was caught in a volley of fire. He has not been heard from since.
Omer Wenkert, 23, a restaurant manager, sent a message to his family to say he was going to a safe shelter but then lost contact. His family say they saw Hamas video footage of Omer, including a photo of him handcuffed and wearing only underwear.