Peter Martin Anker (20 June 1801 – 24 February 1863) was a Norwegian landholder and politician.
He was also a third cousin of Karen Anker, wife of Johan Caspar Herman Wedel-Jarlsberg.
[3] He served as first deputy to the Parliament of Norway during the term 1839–1841, representing the constituency Smaalenenes Amt (now Østfold).
[1][4] Anker was a major landowner and held the manor house Rød herregård in Halden.
Following her death, he married Cathrine Olava Nicoline Gløersen (1814-1902).