The Mediomatrici (Greek: ) were an ancient Celtic people of Gaul, who belong to the division of Belgae. Julius Caesar shows their position in a general way when he says that the Rhine flows along the territories of the Sequani, Mediomatrici, Triboci or Tribocci, and Treviri. Ptolemy places the Mediomatrici south of the Treviri.

The Mediomatrici (Greek: ) were an ancient Celtic people of Gaul, who belong to the division of Belgae. Julius Caesar shows their position in a general way when he says that the Rhine flows along the territories of the Sequani, Mediomatrici, Triboci or Tribocci, and Treviri. Ptolemy places the Mediomatrici south of the Treviri.