Semyonov Peak (, ) is a mountain in the Tian Shan on the border between Kyrgyzstan and Kazakhstan.
Semyonov Peak is one of the highest peaks of the Saryjaz Range. To its northwest lies the Semyonov Glacier. It lies 8.64 km northwest of Khan Tengri (6995 m) on the opposite side of the Northern Engilchek Glacier. The peak is named after the Russian geographer Pyotr Semyonov-Tyan-Shansky.