Loch Gelly is a small loch in Fife, Scotland lying approximately 1.5 km to the south east of the town of Lochgelly which itself is named after the loch. The Gaelic name of the loch, Loch Gheallaidh, can be loosely translated as Loch of Shining Waters or Loch of Brightness. It is a broad, shallow flat bottomed basin approximately 1.75 km in length from west to east and 0.75 km wide at its maximum breadth.