James Joseph Webster (14 June 1925 – 3 April 2022) was an Australian politician. He was a Senator for Victoria from 1964 to 1980, representing the National Country Party (NCP). He served as Minister for Science (1975–1978) and Science and the Environment (1978–1979) in the Fraser Government. He left politics to become High Commissioner to New Zealand, serving from 1980 to 1983.