Merlini may refer to:
- David Merlini (born 1978), Hungarian escape artist
- Domenico Merlini (1730–1797), Polish-Italian architect
- Pseudhymenochirus merlini, a species of frog
- Richard Merlini (1965-), Canadian politician
- The Great Merlini, fictional detective
- Vita Merlini, a work by author Geoffrey of Monmouth