Zeno
- Emperor Zeno of the Byzantines (d. 491 CE), Emperor of the Eastern Roman Empire 474-491.
- Zeno of Citium (c364-c265 BCE), Hellenistic philosopher of the Painted Porch, founder of Stoicism.
- Zeno of Elea (c490-c430 BCE), Hellenic Eleatic philosopher, follower of Parmenides. Famous for his paradoxes.