List of castles in Renfrewshire
This is a list of castles in Renfrewshire.
List
| Name | Type | Date | Condition | Ownership | Location | Notes | Picture |
| Auchenbathie Tower | Tower | 16th century | Ruin | Private | Howwood | Associated with William Wallace | |
| Barr Castle | Tower | 16th century | Ruin | Private | Lochwinnoch | ||
| Blackhall Manor | Occupied | ||||||
| Belltrees Peel | Ruin | ||||||
| Castle Semple | Ruin | ||||||
| Cochrane Castle | No remains | ||||||
| Erskine Castle | Unknown | Unknown | No remains | ||||
| Gryffe Castle | Unknown | By 15th century | Occupied | Bridge of Weir | Possibly incorporated in 19th century mansion | ||
| Hawkhead Castle | Tower | By 17th century | No remains | Hawkhead Hospital is on the site of the castle | |||
| Houston House | Quadrangular castle | 16th Century | Range incorporated in 18th-century mansion | Later mansion on the site | |||
| Inch Castle | No remains | ||||||
| Inchinnan Castle | No remains | ||||||
| Johnstone Castle | Tower, former castellated mansion | 18th century | Undergoing restoration | Private | Johnstone | ||
| Ranfurly Castle | 15th century | Ruin | Bridge of Weir | https://archive.org/stream/castellateddomes04macg#page/230/mode/1up | |||
| Renfrew Castle | No remains | ||||||
| Stanely Castle | 15th century | Ruin |