Diamer may refer to:
Nanga Parbat, 9th-highest mountain in the world in Gilgit Baltistan, Pakistan; locally known as Diamer Diamer District, district Gilgit Baltistan, Pakistan around the mountain Diamer Division, division of Gilgit Baltistan containing the district Diamer, Mauritania
See also Nanga Parbat (disambiguation) Diamer-Bhasha Dam, Diamer District