Connor Trinneer (born March 19, 1969), from Walla Walla, Washington, USA, is an American actor best known for playing Commander Charles "Trip" Tucker III, the chief engineer of the NX-01 Enterprise, on Star Trek: Enterprise.

He has received two Saturn Award nominations from the Academy of Science Fiction, Fantasy & Horror Films for his performance as Tucker.

Trinner appeared in the American/Canadian sci-fi drama Stargate Atlantis as Michael Kenmore, a Human-Wraith Hybrid with Stargate Atlantis also starring British-born Canadian actor, David Hewlett who had previously worked alongside NCIS series regular, Mark Harmon.

Trinner later guest-starred in the NCIS Season 3 episode, Jeopardy (episode) as drug dealer, James Dempsey.

He also guest-starred in the NCIS: Los Angeles Season 2 episode, "Empty Quiver".