Birger Blom-Kalstø (29 February 1940 – 3 July 2011) was a Norwegian politician for the Conservative Party.

He was born Avaldsnes. He finished his secondary education in 1960, and graduated in business administration in 1963. He worked as a manager for Hauske konfeksjon in Torvastad from 1967 to 1978, then with his own company from 1978 until retiring in 1996.^[1]

He chaired the local branch of the Conservative Party in Karmøy from 1968 to 1970. He was a deputy representative to the Parliament of Norway from Rogaland during the terms 1969–1973 and 1977–1981. In total he met during 149 days of parliamentary session.^[1]