Coelbren may mean:

• Coelbren, Powys, a village in the south-west of the Brecon Beacons National Park in Wales
• Coelbren y Beirdd, a supposed "druidic" alphabet invented by forger Iolo Morganwg (1747-1826)

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• Jane Tranter
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• Janet Ray Michie, Baroness Michie of Gallanach
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