The charity's new name becomes effective this week and will be accompanied by a new logo, created by Hicklin Slade & Partners, which incorporates a modernised version of the iconic grey partridge.
Chris Washington-Sare, director of marketing and membership at the trust, said: "We are all really delighted with the new name and logo, and I believe that these subtle changes more accurately reflect what we do.
"Game remains central to our core beliefs as does the recognition that game management plays a vital part in the wider conservation of the countryside. Our research showed that game is what makes us unique."
Direct marketing agency Proximity conducted a comprehensive market research study involving more than 2,500 people, including members and non-members of the Trust, to discover the title that best suited the charity.
Mark Hudson, chairman of the Game & Wildlife Conservation Trust, said: "For some years, there has been an active debate about whether our name reflects the breadth of work we do, which extends beyond game species into many aspects of wildlife and countryside management, including research into farmland ecology, conservation of farmland birds, entomology and wildlife-friendly farming.
"The new name and logo should help us to communicate this message more effectively and I believe that this better reflects the work we have done over the past 75 years and will continue to do so in the future."