Martha Seim Valeur (20 March 1923 – 5 May 2016) was a Norwegian politician for the Conservative Party.
She served as a deputy representative in the Parliament of Norway from Oslo during the term 1993 - 1997.
Among other posts, she chaired the board of the Norwegian State Housing Bank from 1982 to 1985, and continued as a board member until 1990. She was deputy leader of the Norway's Contact Committee for Immigrants and the Authorities between 1984 and 1986.