Transtar may refer to:
Transtar, Inc., a transportation subsidiary of U.S. Steel Transtar Airlines (Orlando, 1992–1993), an American airline company TranStar Airlines (Houston, 1986–1987), an American airline company TranStar Racing, an American automotive group Transtar Radio Networks, a music programming service International Transtar, a model of International Harvester truck Houston TranStar, which provides traffic and emergency management in Greater Houston Trans*, an umbrella term for transgender and transsexual
See also StarTran, the public transit bus system in Lincoln, Nebraska, United States