Senakhtenre Tao I was a Pharaoh of Egypt of the Seventeenth Dynasty based in Upper Egypt during the Second Intermediate Period. He was born c.1605 BC and died c.1560 or 1558 BC at the latest. His prenomen Senakhtenre means "Perpetuated like Re." Ryholt observes that Senakhtenre's nomen may have been Siamun rather than Tao since: