Walter Stewart
Walter Stewart is the name of the following people:
- Walter Stewart, 4th Earl of Menteith (around 1218–1296), Scottish nobleman
- Walter Stewart, 6th High Steward of Scotland (1293-1326), Scottish nobleman
- Walter Stewart, 1st Earl of Atholl (1360–1437), Scottish nobleman
- Walter Stewart, 1st Lord Blantyre (* before 1565, † 1617), Scottish nobleman and politician
- Walter Stewart (journalist) (1931-2004), Canadian journalist
- Walter Stewart (biologist) (* 1942), biologist and science journalist