Threemilestone and Gloweth (Cornish: Mentrimildir ha Glowwydh)[1] is an electoral division of Cornwall in the United Kingdom and returns one member to sit on Cornwall Council.

The current Councillor is Dulcie Tudor, the leader of the Independent Alliance, a standalone independent group on the council.

[2] Threemilestone and Gloweth covers the village of Threemilestone and Gloweth, a suburb of Truro containing Truro College, Richard Lander School and the Royal Cornwall Hospital.

[3] The division covers 369 hectares in total.

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