The State of Teng was a small state that existed during the Spring and Autumn Period and the Warring States Period of Chinese Antiquity. It was located in the south of modern-day Shandong province. Its territory is now the county-level city of Tengzhou.
The ancestral name of Teng's ruling family was . The state was conquered and annexed by the State of during the reign of King Goujian of Yue .
The small state of Teng was a vassal of State of and is famed as the birthplace of the Chinese philosopher Mozi and architect Lu Ban. The name of the state survives in both the city of Tengzhou and the Chinese surname Teng.