Gtech or G-Tech may refer to:
GTECH S.p.A., now International Game Technology, formerly Lottomatica S.p.A. GTECH Corporation, an American company that was acquired by Lottomatica in 2006 Grey Technology (Gtech), a British company Grey Technology Ltd (Gtech) for cordless home and garden appliances Guilford Technical Community College G-Technology, a brand of Western Digital, now called SanDisk Professional
See also Gtech Community Stadium