August Heinrich Matthiae (December 25, 1769 – January 6, 1835) was a German classical scholar.

He 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.^[1] His biography was written by his son Constantin, with the title A. Matthiä in seinem Leben und Wirken, etc. (1845).^[2]

Of his numerous important works the best-known are:

• A copious Greek grammar, translated into English by V Blomfield, edited by John Kenrick (1832).
• an 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)^[1]

His brother, Friedrich Christian Matthiae (1763–1822), rector of the Frankfurt gymnasium, published editions of Seneca's Letters, Aratus, and Dionysius Periegetes.^[1]