Theaetetus (Θεαίτητος) is a Greek name which could refer to:
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Theaetetus (mathematician) Theaetetus of Athens (; grc-gre, Θεαίτητος; c. 417 – c. 369 BC), possibly the son of Euphronius of the Athenian deme Sunium, was a Greek mathematician. His principal contributions were on irrational lengths, which was included in B ...
(c. 417 BC – 369 BC), Greek geometer
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''Theaetetus'' (dialogue), a dialogue by Plato, named after the geometer
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Theaetetus (crater)
Theaetetus is a lunar impact crater that is located to the southeast of the crater Cassini near the eastern edge of Mare Imbrium. It was named after the ancient Greek mathematician Theaetetus. It lies just to the west of the Montes Caucasus ran ...
, a lunar impact crater
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Theaetetus (poet) (fl. 3rd century BC), Greek poet
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Theaetetus of Cyrene (Θεαίτητος ὁ Κυρηναῖος) (fl. 270 BC), Greek poet
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Theaetetus Scholasticus
Theaetetus Scholasticus ( gr, Θεαίτητος Σχολαστικός, Theaítētos Scholastikos; fl. 6th century AD) was a Byzantine Greek epigrammatist.
Theaetetus was of the time of Justinian, as is clearly proved by the references in h ...
(Θεαίτητος ὁ σχολαστικός) (fl. 6th century AD), Greek poet
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