Mount Lucia () is a volcanic cone mountain located at the Tawau Division of Sabah, Malaysia. It reaches a height of approximately .
The mountain is formed through the late Pleistocene volcanisms. Together with Mount Maria in the Tawau volcanic field, the mountains are made up of Pleistocene dacite.
Since 1979, it has been a part of Tawau Hills Park. Jungle trekking activities are served by the park where the forest trail also leads to Mount Magdalena and Mount Maria.