Louis F. Knoll (died 2004) was an American Baptist missionary who taught Christian Ethics at the Andhra Christian Theological College, Hyderabad, affiliated with the Senate of Serampore College (University). Robert Eric Frykenberg, Professor Emeritus of History & South Asian Studies at the University of Wisconsin, Madison writes that Louis F. Knoll believed that the British Rule in India was a major obstacle to the spread of Christianity in India.