William Madtha (born 1940) is an Indian writer. He was born in Vittal in South Canara. He is well known for his literary and scientific words.
- "Born at Vittal (South Kanara) in 1940, Dr. William Madtha is well known in the Konkani, Kannada, Tulu and English speaking worlds for his scientific and literary articles in/on these languages." (William Madtha. The Christian Konkani of South Kanara: a linguistic analysis (1984). Prasaranga, Karnatak University)"