- For other uses, see Bonaventure.
The Bonaventure (C1-21) was a Terran warp drive prototype in service in the late 21st century. She was noted as a pioneer in the history of Earth's space program. (ST reference: Star Trek Chronology, DS9 episode: "The Nagus")
A diagram of starships, including of this ship, was on display in Keiko O'Brien's classroom on Deep Space 9 in 2369. (DS9 episode: "The Nagus")
Less than a year later, a model of this ship was displayed in the same classroom. (DS9 episode: "Cardassians")