Merry or Merrie Monarch may refer to:
- Charles II of England (1630–1685), king of Great Britain and Ireland
- Kalākaua (1836–1891), king of Hawaii
- Merrie Monarch Festival
- The Merry Monarch, racehorse
- The Merry Monarch (musical), an 1890 comic opera
Merry or Merrie Monarch may refer to: