Gath, unidentified royal city of the Philistines, on the borders of Judah. In the Bible, it was the birthplace of Goliath, and it was a place of refuge for David in the outlaw years. Later he had a loyal bodyguard of Gittites, i.e., inhabitants of Gath.

Gath can refer to:

• Gath (city), the biblical city and home of Goliath
• Gath (helmet), a lightweight helmet made by Gath Sports Pty Ltd
• Gath (magazine), the successor to Gairm, the most significant Scottish Gaelic magazine for its longevity and range
• The pen name of journalist George Alfred Townsend
• G.A.T.H is the acronym for the American band Gregory and the Hawk.
• Gath (fictional character), Protagonist portrayed in the Deathdealer Novella series Deathdealer