Walter may refer to:
- Walter Brentworth, an officer of the Grayson Space Navy.
- Walter Corbett, an officer candidate of the Royal Manticoran Navy.
- Walter Ford, a Matagordan politician and Mesan Alignment agent.
- Walter Frankel, a Havenite politician.
- Walter Imbesi, head of the Erewhonese Imbesi family around 1920 PD.
- Walter Sanderson, Havenite Secretary of the Interior around 1920 PD.