The following is a list of the named speakers found in the dialogues traditionally ascribed to Plato.
| Name
| Dialogue
| Role
|
| Euthyphro of Prospalta
| Euthyphro
| speaker
|
| Socrates of Alopece, son of Sophroniscus
| Euthyphro
| speaker
|
| Callias of Alopece, son of Hipponicus
| Apology
| remembered speaker
|
| Meletus of Pithus, son of Meletus
| Apology
| speaker
|
| Socrates of Alopece, son of Sophroniscus
| Apology
| speaker
|
| Socrates of Alopece, son of Sophroniscus
| Crito
| speaker
|
| Crito of Alopece
| Crito
| speaker
|
| Cebes of Thebes
| Phaedo
| speaker
|
| Crito of Alopece
| Phaedo
| speaker
|
| Echecrates of Phlius
| Phaedo
| speaker
|
| Phaedo of Elis
| Phaedo
| narrator, speaker
|
| Simmias of Thebes
| Phaedo
| speaker
|
| Socrates of Alopece, son of Sophroniscus
| Phaedo
| speaker
|
| Xanthippe, wife of Socrates of Alopece
| Phaedo
| speaker
|
| Hermogenes of Alopece, son of Hipponicus
| Cratylus
| speaker
|
| Cratylus of Athens, son of Smicrion
| Cratylus
| speaker
|
| Socrates of Alopece, son of Sophroniscus
| Cratylus
| speaker
|
| Euclides of Megara
| Theaetetus
| speaker
|
| Protagoras of Abdera
| Theaetetus
| conjured speaker
|
| Socrates of Alopece, son of Sophroniscus
| Theaetetus
| speaker
|
| Terpsion of Megara
| Theaetetus
| speaker
|
| Theaetetus of Sunium, son of Euphronius
| Theaetetus
| speaker
|
| Theodorus of Cyrene
| Theaetetus
| speaker
|
| Socrates of Alopece, son of Sophroniscus
| Sophist
| speaker
|
| Theaetetus of Sunium, son of Euphronius
| Sophist
| speaker
|
| Theodorus of Cyrene
| Sophist
| speaker
|
| Socrates of Alopece, son of Sophroniscus
| Statesman
| speaker
|
| Socrates of Athens
| Statesman
| speaker
|
| Theodorus of Cyrene
| Statesman
| speaker
|
| Adeimantus of Collytus, son of Ariston
| Parmenides
| speaker
|
| Aristotle of Thorae, son of Timocrates
| Parmenides
| speaker
|
| Antiphon of Athens, son of Pyrilampes
| Parmenides
| indirect speaker
|
| Cephalus of Clazomenae
| Parmenides
| narrator
|
| Glaucon of Collytus, son of Ariston
| Parmenides
| indirect speaker
|
| Parmenides of Elea, son of Pyres
| Parmenides
| speaker
|
| Pythodorus of Athens, son of Isolochus
| Parmenides
| indirect speaker
|
| Socrates of Alopece, son of Sophroniscus
| Parmenides
| speakers
|
| Zeno of Elea
| Parmenides
| speaker
|
| Philebus
| Philebus
| speaker
|
| Protarchus of Athens, son of Callias
| Philebus
| speaker
|
| Socrates of Alopece, son of Sophroniscus
| Philebus
| speaker
|
| Agathon of Athens, son of Tisamenus
| Symposium
| speaker
|
| Alcibiades of Scambonidae, son of Clinias
| Symposium
| speaker
|
| Apollodorus of Phaleron
| Symposium
| narrator, speaker
|
| Aristodemus of Cydathenaeum
| Symposium
| narrator, speaker
|
| Aristophanes of Cydatheneum, son of Philippus
| Symposium
| speaker
|
| Diotima of Mantinea
| Symposium
| remembered speaker
|
| Eryximachus of Athens, son of Acumenus
| Symposium
| speaker
|
| Glaucon of Collytus, son of Ariston
| Symposium
| remembered speaker
|
| Pausanias of Cerameis
| Symposium
| speaker
|
| Phaedrus of Myrrhinus, son of Pythocles
| Symposium
| speaker
|
| Socrates of Alopece, son of Sophroniscus
| Symposium
| speaker
|
| Lysias of Thurii and Athens, son of Cephalus
| Phaedrus
| quoted speaker
|
| Phaedrus of Myrrhinus, son of Pythocles
| Phaedrus
| speaker
|
| Socrates of Alopece, son of Sophroniscus
| Phaedrus
| speaker
|
| Alcibiades of Scambonidae, son of Clinias
| First Alcibiades
| speaker
|
| Socrates of Alopece, son of Sophroniscus
| First Alcibiades
| speaker
|
| Alcibiades of Scambonidae, son of Clinias
| Second Alcibiades
| speaker
|
| Socrates of Alopece, son of Sophroniscus
| Second Alcibiades
| speaker
|
| Socrates of Alopece, son of Sophroniscus
| Hipparchus
| speaker
|
| Socrates of Alopece, son of Sophroniscus
| Rival Lovers
| narrator, speaker
|
| Aristides of Alopece, son of Lysimachus
| Theages
| remembered speaker
|
| Demodocus of Anagyrus
| Theages
| speaker
|
| Socrates of Alopece, son of Sophroniscus
| Theages
| speaker
|
| Theages of Anagyrus, son of Demodocus
| Theages
| speaker
|
| Timarchus
| Theages
| remembered speaker
|
| Chaerephon of Sphettus
| Charmides
| speaker
|
| Charmides of Athens, son of Glaucon
| Charmides
| speaker
|
| Critias of Athens, son of Callaeschrus
| Charmides
| speaker
|
| Socrates of Alopece, son of Sophroniscus
| Charmides
| narrator, speaker
|
| Aristides of Alopece, son of Lysimachus
| Laches
| speaker
|
| Laches of Aexone, son of Melanopus
| Laches
| speaker
|
| Lysimachus of Alopece, son of Aristides
| Laches
| speaker
|
| Melesias of Alopece, son of Thucydides
| Laches
| speaker
|
| Nicias I of Cydantidae, son of Niceratus
| Laches
| speaker
|
| Socrates of Alopece, son of Sophroniscus
| Laches
| speaker
|
| Thucydides of Alopece, son of Melesias
| Laches
| speaker
|
| Ctesippus of Paeania
| Lysis
| speaker
|
| Hippothales of Athens, son of Hieronymus
| Lysis
| speaker
|
| Lysis of Aexone, son of Democrates
| Lysis
| speaker
|
| Menexenus of Athens, son of Demophon
| Lysis
| speaker
|
| Socrates of Alopece, son of Sophroniscus
| Lysis
| narrator, speaker
|
| Clinias of Scambonidae, son of Axiochus
| Euthydemus
| speaker
|
| Crito of Alopece
| Euthydemus
| speaker
|
| Ctesippus of Paeania
| Euthydemus
| speaker
|
| Dionysodorus of Chios and Thurii
| Euthydemus
| speaker
|
| Euthydemus of Chios and Thurii
| Euthydemus
| speaker
|
| Socrates of Alopece, son of Sophroniscus
| Euthydemus
| narrator, speaker
|
| Alcibiades of Scambonidae, son of Clinias
| Protagoras
| speaker
|
| Callias of Alopece, son of Hipponicus
| Protagoras
| speaker
|
| Critias of Athens, son of Callaeschrus
| Protagoras
| speaker
|
| Hippias of Elis, son of Diopeithes
| Protagoras
| speaker
|
| Hippocrates of Athens, son of Apollodorus
| Protagoras
| speaker
|
| Prodicus of Ceos
| Protagoras
| speaker
|
| Protagoras of Abdera
| Protagoras
| speaker
|
| Socrates of Alopece, son of Sophroniscus
| Protagoras
| narrator, speaker
|
| Callicles of Acharnae
| Gorgias
| speaker
|
| Chaerephon of Sphettus
| Gorgias
| speaker
|
| Gorgias of Leontini, son of Charmantides
| Gorgias
| speaker
|
| Pollus of Acragas (Sicily)
| Gorgias
| speaker
|
| Socrates of Alopece, son of Sophroniscus
| Gorgias
| speaker
|
| Anytus I of Enonymon, son of Anthemion
| Meno
| speaker
|
| Meno of Thessaly, son of Alexidemus
| Meno
| speaker
|
| Socrates of Alopece, son of Sophroniscus
| Meno
| speaker
|
| Hippias of Elis, son of Diopeithes
| Greater Hippias
| speaker
|
| Socrates of Alopece, son of Sophroniscus
| Greater Hippias
| speaker
|
| Eudicus of Athens, son of Apemantus
| Lesser Hippias
| speaker
|
| Hippias of Elis, son of Diopeithes
| Lesser Hippias
| speaker
|
| Socrates of Alopece, son of Sophroniscus
| Lesser Hippias
| speaker
|
| Ion of Ephesus
| Ion
| speaker
|
| Socrates of Alopece, son of Sophroniscus
| Ion
| speaker
|
| Aspasia of Miletus, daughter of Axiochus
| Menexenus
| quoted speaker
|
| Menexenus of Athens, son of Demophon
| Menexenus
| speaker
|
| Socrates of Alopece, son of Sophroniscus
| Menexenus
| speaker
|
| Clitophon of Athens, son of Aristonymus
| Clitophon
| speaker
|
| Socrates of Alopece, son of Sophroniscus
| Clitophon
| speaker
|
| Adeimantus of Collytus, son of Ariston
| The Republic
| speaker
|
| Cephalus of Syracuse, son of Lysanias
| The Republic
| speaker
|
| Clitophon of Athens, son of Aristonymus
| The Republic
| speaker
|
| Glaucon of Collytus, son of Ariston
| The Republic
| speaker
|
| Polemarchus of Thurii, son of Cephalus
| The Republic
| speaker
|
| Socrates of Alopece, son of Sophroniscus
| The Republic
| narrator, speaker
|
| Thrasymachus of Chalcedon
| The Republic
| speaker
|
| Critias of Athens
| Timaeus
| speaker
|
| Hermocrates I of Syracuse, son of Hermon
| Timaeus
| speaker
|
| Socrates of Alopece, son of Sophroniscus
| Timaeus
| speaker
|
| Timaeus of Locri Epizephyrii
| Timaeus
| speaker
|
| Critias of Athens
| Critias
| speaker
|
| Hermocrates I of Syracuse, son of Hermon
| Critias
| speaker
|
| Socrates of Alopece, son of Sophroniscus
| Critias
| speaker
|
| Timaeus of Locri Epizephyrii
| Critias
| speaker
|
| Socrates of Alopece, son of Sophroniscus
| Minos
| speaker
|
| Clinias of Cnossos in Crete
| Laws
| speaker
|
| Megillus of Sparta
| Laws
| speaker
|
| Clinias of Cnossos in Crete
| Epinomis
| speaker
|
| Socrates of Alopece, son of Sophroniscus
| On Justice
| speaker
|
| Socrates of Alopece, son of Sophroniscus
| On Virtue
| speaker
|
| Demodocus of Anagyrus
| Demodocus
| speaker
|
| Sisyphus of Pharsalus
| Sisyphus
| speaker
|
| Socrates of Alopece, son of Sophroniscus
| Sisyphus
| speaker
|
| Critias of Athens, son of Callaeschrus
| Eryxias
| speaker
|
| Erasistratus of Athens
| Eryxias
| speaker
|
| Eryxias of Stiria
| Eryxias
| speaker
|
| Prodicus of Ceos
| Eryxias
| remembered speaker
|
| Socrates of Alopece, son of Sophroniscus
| Eryxias
| narrator, speaker
|
| Axiochus of Scambonidae, son of Alcibiades
| Axiochus
| speaker
|
| Clinias of Scambonidae, son of Axiochus
| Axiochus
| speaker
|
| Socrates of Alopece, son of Sophroniscus
| Axiochus
| speaker
|
| Chaerephon of Sphettus
| Halcyon
| speaker
|
| Socrates of Alopece, son of Sophroniscus
| Halcyon
| speaker
|
