Frontier

Frontier could refer to:


 * The Frontier, a class M moon
 * Core frontier, a region of space near the core of the Milky Way Galaxy
 * Empty Frontier, a region of space bordering the Romulan Star Empire
 * CDS Frontier, a Cardassian starship
 * Frontier Accord, an agreement between the Federation and the Gorn Hegemony
 * , a Starfleet starship type
 * USS Frontier, a Starfleet starship
 * Orion Frontier Mercantile Association, an Orion trade group
 * Klingon 4th Frontier Force, a Klingon military unit
 * Klingon Third Frontier Naval Division, a Klingon military unit
 * Star Trek: New Frontier, a novel series
 * New Frontier (omnibus), a collection of the first four books
 * "Dark Frontier", a Voyager episode
 * Star Trek V: The Final Frontier, the fifth Star Trek movie
 * The Final Frontier (game), a video game based on the film
 * First Frontier, a TOS novel
 * Final Frontier, a TOS novel
 * Leonard McCoy, Frontier Doctor, a comic series