Peter may refer to:
- Peter Clavell, an officer of the Mobian Presidential Guard.
- Peter "Bassit" Corcoran, a Manticoran criminal in the 16th Century PD.
- Peter Kolosov, an officer of the Royal Manticoran Navy.
- Peter Lowell, a petty officer of the Republic of Haven Navy.
- Peter Mayhew, Protector of Grayson in the late 16th and early 17th Century PD.