A ducat is a Middle Ages European trade coin.
Ducat may also refer to:
- Ducat (surname)
- Ducat, Ohio, US, an unincorporated community
- DUCAT, an internet service provider in Kazakhstan
- Ducat Auction House, founded by Leonid Komskyi
- Ducats, an in-game internet currency for Playchess
- Orokin Ducats, an in-game currency in Warframe