Shō Iku (尚 育, 19 August 1813 – 25 October 1847) was a king of the Ryukyu Kingdom from 1835 to 1847. He was the eldest son of Shō Kō. According to Chūzan Seifu, he was appointed regent in 1828, in place of his ailing father who was supposedly afflicted by a mental illness. Shō Kō died in 1834, and Shō Iku was installed as the king. The king died in 1847, and his second son Shō Tai succeeded him as the last king of the Ryukyu Kingdom.