1. People

2. Other uses

Polybius (c. 203 BC – 120 BC) was an ancient Greek historian.

Polybius may also refer to:

People

• Polybius (freedman) (fl. 1st century), freedman and later secretariat under the Roman Emperor Claudius
• Polybius of Tralles, a 2nd-century Christian bishop mentioned in the writings of Ignatius of Antioch

Other uses

• Polybius (crab), a genus of swimming crabs
• Polybius (crater), a lunar impact crater
• Polybius (urban legend), a fictitious video game featured in urban legend
• Polybius (2017 video game), released for the PlayStation 4
• Polybius square, a cipher key technique

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