William Fanaghan Lynch was an Irish Republican Army officer during the Irish War of Independence of 1919–1921. During much of the Irish Civil War, he was chief of staff of the Irish Republican Army. On 10 April 1923, Lynch was killed whilst trying to escape an encirclement by Free State troops in south Tipperary.
- Occupation
- military officer, politician, military personnel
- Citizenship
- Ireland
- Born
- November 20, 1893
- Died
- April 10, 1923
