Black Cat Detective (traditional Chinese: 黑貓警長; simplified Chinese: 黑猫警长; pinyin: Hēimāo Jǐngzhǎng, lit. "Black Cat Sheriff") is a Chinese animated television series based on a 1982 manhua written by Zhu Zhixiang produced by the Shanghai Animation Film Studio. It is sometimes shortened as Mr. Black. The main character, Black Cat Detective. was created by Zhu Zhixiang (诸志祥).

During the middle of the 1980s to this day, China had a zero-tolerance against crime, which inspired the themes of the series and also at the time the series was a popular among Chinese children and adult audiences alike. The series was also dubbed in Japanese as Kuro Neko Keibu (黒ネコ警部).

Sheriff Black Cat is a police officer and his duty is to protect citizens. He has a righteous, brave and heroic demeanor. Sheriff Black Cat is a cute and clever Chinese classic cartoon character. An unsmiling police sergeant.

The early 1980s when "Black Cat Sheriff" was born coincided with the "Strike Hard" period. At that time, prison vans were used to escort death row prisoners and parade along the streets. The purpose of shock was self-evident. The righteous image of Sheriff Black Cat and the story of the forest police officers fighting various evil forces in the film were all refracted and influenced by the social atmosphere at that time.