Minucius Macrinus (fl. 1st century AD) was a friend of Pliny the Younger, to whom the latter addressed many of his Epistles, but of whose life we have no particulars, other than that he had a son, Minucius Acilianus, who was also a friend of Pliny's.
This article incorporates text from a publication now in the public domain: Smith, William, ed. (1870). "". Dictionary of Greek and Roman Biography and Mythology.