Empress He (died 189), personal name unknown, formally known as Empress Lingsi (靈思皇后; literally: "the Unattentive and Deep-thinking Empress") was an empress of the Han Dynasty period of Chinese history. She was Emperor Ling's second wife. Along with her brother He Jin, she was able to temporarily dominate power at the imperial court after the death of Emperor Ling in 189 as empress dowager.