Yin

Yin may refer to:

• Yin, the dark force opposing yang in traditional Chinese philosophy and medicine

• Yin (surname), a Chinese surname
• Yinxu, the ruins of the Shang Dynasty capital Yin near today's Anyang, China
• Shang Dynasty also known as the Yin Dynasty
• Yin (Ten Kingdoms), a short-lived kingdom during China's Five Dynasties and Ten Kingdoms Period
• Yin Mountains, a mountain range in Inner Mongolia and Hebei province in China
• yin (office) (尹, yīn), an office of early China sometimes equivalent to prime minister and sometimes to governor

Yin could refer to these people:

• Yin Chengzong, premier Chinese pianist and composer who arranged the Yellow River Concerto
• The Big Yin, nickname of Billy Connolly
• Yin, a fictional character from the Disney/Jetix show Yin Yang Yo!
• Yin, a fictional character from the anime series Darker Than Black