Justice Austin may refer to:
- Aaron Austin (1745âÂÂ1829), judge of the Connecticut Supreme Court of Errors
- Benjamin H. Austin (1832âÂÂ1885), associate justice of the Supreme Court of the Kingdom of Hawaii
- Henry William Austin (1825âÂÂ1893), chief justice of the Bahamas
- James W. Austin (1829âÂÂ1895), associate justice of the Supreme Court of the Kingdom of Hawaii