Brahmastra
It was the most common devine weapon used in the war.
Only in last battle of Karn-Arjun, this weapon was used 4 times.
Guru Drona also used this weapon multiple times, and so do Yudhhisthir (once).
Arjun and Karn also used it against other opponents.
Vayavyastra
Karn used this weapon against Ghatotkachha.
Arjun used it clear clouds against Karn.
Guru Drona used it against Arjun.
Aswatthama also used it against Ghatotkach.
Agneyastra
Arjun used it against Karn.
Aswathhama used it against Arjun.
Karn used against Arjun.
Varunastra
Karn used it against Arjun, to counter Agneyastra.
Guru Drona used it against Arjun.
Narayanastra
Aswathhama used it against Pandava warriors.
Brahmashirastra
Aswathhama used it on Uttara’s womb.
Arjun invoked and withdrew it twice.
Rudrastra
Aswathhama used it on Panchal soldiers.
Arjun invoked it to kill Karn, but his chariot stuck into the ground and Arjun withdrew it.
Aindrastra
Arjun used it to counter Karn’s brahmastra.
He also used it against many Kuru Warriors including Pitamah and defeated them on 3rd day.
Vajrastra
Arjun used it against Samsaptakas.
Vaishnavastra
Bhagadatta used it to kill Arjun, but Lord Krishna took his weapon back.
Bhargavastra
Karn used it against Panchala and Pandava army.
Only Karn possessed this weapon.
Pashupata (Some unknown weapon of Lord Shiva) and Tvashtra
Guru Drona used it on Arjun.
Arjun nullified it.
Note, it is not the Pashupatastra Arjun got, Pashupata also means weapon of Pashupati.
Vajra (another unknown weapon, possibly it is Vajra of Indradev, but controversial since there were many Vajras)
Lord Shiva’s Vajra was used by Ghatotkachha on Aswathhama and Karn.
Aswathhama used Vajra too.
Anjalika Astra
Used by Ghatotkachha on Karn perhaps.
Arjun used it against Karn to kill him.
Gandharvastra
Abhimanyu used it inside chakravyuh.
Bhaskara
Abhimanyu used it against demon Alambush to destroy his illusions.
Nagastra
Arjun used on Samsaptaka warriors.
Garunastra
Susharma used to counter Arjun’s Nagastra.
Vasawi Shakti
Karn used it to kill Ghatotkachha
Pramohanastra
Dristadyumna invoked it.
Prajnastra
Aswathhama used it to neutralise Pramohanastra.
Parjanyastra
Arjun used to quench Pitamah’s thirst.
Jyotikshastra
Arjun used it against Shakuni’s illusion.
Adityastra
Arjun used it against Shakuni to dry up water.