Ramillies may refer to:
- Ramillies, Belgium, municipality in Walloon Brabant
- Ramillies, Nord, commune in France
- Battle of Ramillies, fought in 1706 at Ramillies, Belgium
- HMS Ramillies, several vessels of the Royal Navy named after the battle
- Ramillies class ship of the line, a class of nine 74-gun third rates, after the 1763 HMS Ramillies