Justice Watson may refer to:
- Albert Watson (Illinois judge), associate justice of the Illinois Supreme Court
- Edward B. Watson, chief justice of the Oregon Supreme Court
- Edward M. Watson, associate justice of the Supreme Court of Hawaii
- Jack C. Watson, associate justice of the Louisiana Supreme Court
- James F. Watson, associate justice of the Oregon Supreme Court
- John C. Watson (judge), associate justice of the New Mexico Supreme Court
- John H. Watson (Vermont judge), chief justice of the Vermont Supreme Court
- John Hampton Watson, associate justice of the Kansas Supreme Court
- John T. Watson, associate justice of the New Mexico Supreme Court