The year 526 BC was a year of the pre-Julian Roman calendar. In the Roman Empire, it was known as year 229 Ab urbe condita. The denomination 526 BC for this year has been used since the early medieval period, when the Anno Domini calendar era became the prevalent method in Europe for naming years.

Cylonius is overthrown by Kroton

• Wu Zixu, Chinese politician and general ^{[citation needed]}

• Amasis II, Egyptian pharaoh ^{[citation needed]}
• Duke Zhao of Jin, ruler of the State of Jin 531 to 526 BC^[1]