Wallingford may refer to:
- Places
- Wallingford, Oxfordshire
- Wallingford, Seattle
- Wallingford, Iowa
- Wallingford, Vermont
- Wallingford, Pennsylvania
- Wallingford, Connecticut
- Administrative Units
- Municipal Borough of Wallingford
- Wallingford Rural District
- Wallingford (UK Parliament constituency), a former constituency, abolished in 1885
- People
- Brian of Wallingford, also known as Brien FitzCount
- Ealdgyth of Wallingford, wife of Robert D'Oyly
- Jesse Wallingford
- John of Wallingford
- Miles of Wallingford, also known as Miles Crispin
- Phoebe Tyler Wallingford
- Richard of Wallingford (constable)
- Richard of Wallingford (mathematician)
- Wallingford Riegger
- William of Wallingford