Kalapani or Kala Pani (meaning "Black Water" in some South Asian languages) may refer to:* Kala pani (taboo), a taboo of the sea in Indian culture Kalapani (Indian expatriates in UK), Indian expatriates who went to UK during the 17th, 18th and 19th century Kalapani River, a river in India and Nepal Kala Pani, Pakistan, a village Kalapaani, India, the origin of the Kali River Kālā Pānī, also known as Cellular Jail, a colonial-era prison in India Kalapani (film), an 1958… (More on Kalapani)