Unthank can refer to:
England
- in Cumbria
- in County Durham
- in Northumberland
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- Unthank, Alnham
- Unthank, Haltwhistle
- location of Unthank Hall
Scotland
In fiction
- Unthank, the Glasgow-like dystopian city in which books three and four of Alasdair Gray's Lanark are set.
People
- Nellie Unthank, (1846-1915), Mormon pioneer
- Rachel Unthank, singer in the group Rachel Unthank and the Winterset