Marcus Maecius Celer was a Roman senator, who was active during the reign of Trajan.
He was suffect consul in the nundinium of April-May 101 as the colleague of Gaius Sertorius Brocchus Quintus Servaeus Innocens.
The fact that the final elements of our man's name are shared with the suffect consul of 100, Lucius Roscius Aelianus Maecius Celer, have led some experts[2] to suggest the two men are brothers.
[3] It is thought that Maecius Celer's place of origin was in Hispania Tarraconensis.
In the last years of the reign of emperor Domitian, Statius writes a poem saluting Celer's departure to command a legion in Syria.