August Heinrich Matthiae (December 25, 1769 - January 6, 1835) was a German classical scholar, was born at Göttingen, and educated at the university.

He then spent some years as a tutor in Amsterdam. In 1798 he returned to Germany, and in 1802 was appointed director of the Friedrichsgymnasium at Altenburg, which post he held till his death.

Of his numerous important works the best-known are:

• Greek Grammar (3rd ed., 1835), translated into English by V Blomfield (5th ed., by J Kenrick, 1832)
• edition of Euripides (9 vols., 1813-1829)
• Grundriss der Geschichte der griechischen und römischen Litteratur (3rd ed., 1834, Eng. trans., Oxford, 1841)
• Lehrbuch fur den ersten Unterricht in der Philosophie (3rd ed., 1833)
• Encyklopädie und Methodologie der Philologie (1835)

His Life was written by his son Constantin (1845). His brother, Friedrich Christian Matthiae (1763-1822), rector of the Frankfort gymnasium, published valuable editions of Seneca's Letters, Aratus, and Dionysius Periegetes.