Masruq ibn al-Ajda' (Arabic مَسْرُوقْ بِنْ اَلْأَجْدَع, died 682) was a well-known and respected tabi'i (from taba'een), jurist and muĥaddith (transmitter of Prophetic traditions or hadith).
Chiefly a resident of Kufa (Iraq) he was among the many students of Abdullah ibn Mas'ud.
Masruq would later become a popular teacher in his own right including future Islamic scholars such as Ibrahim al-Nakha'i and others as his pupils.
He is said to have fought on the side of caliph Ali ibn Abi Talib (died 661) against the Kharijites in 658.
[2] Al-Dhahabi included Masruq in his book Siyar A'lam al-Nubala[3] among those who are to be imitated (al-muqalladûn) in character and ibadah by following Muslim generations.