Peter McDonald
Peter McDonald may refer to:
- Peter J. McDonald, Canadian politician
- Peter McDonald (critic), Northern Irish poet and academic
- Peter McDonald (actor), Irish stage and screen actor
- Peter McDonald (artist), Japanese/English artist
- Peter McDonald (demographer), Australian demographer
- Peter McDonald (cyclist), Australian cyclist
- Peter McDonald (footballer), Irish footballer
- Peter McDonald (MP), Irish member of parliament
- Peter D. McDonald, professor of English