Dumbarton Castle (disambiguation)
Dumbarton Castle stands for:
- Dumbarton Castle , a fortress in Dumbarton, Scotland
Dumbarton Castle is the name of the following ships in the British Royal Navy:
- Dumbarton Castle (1707) , Royal Scots Navy frigate, entered into the Royal Navy in 1707
- Dumbarton Castle (K388) , Castle-class corvette K388, later reclassified as a F388 to a frigate
- Dumbarton Castle (P265) , (new) Castle-class patrol ship launched in 1981