Quintus Tullius Cicero (c. 102-43 B.C.) was the younger brother of Marcus Tullius Cicero. He was aedile in 67, praetor in 62, and for three years governor in Asia. He distinguished himself as one of Caesar's officers in Gaul. In the civil war between Pompey and Caesar he joined the former, but later deserted him and reinstated himself with Caesar. He was put to death in the proscriptions of 43 B.C.