Toralv Kollin Markussen (23 February 1895 – 17 December 1973) was a Norwegian politician for the Communist Party.
He was born in Ankenes.
He was elected to the Norwegian Parliament from the Market towns of Nordland, Troms and Finnmark in 1945, but was not re-elected in 1949 as the Communist Party dropped from 11 to 0 seats in Parliament.
Markussen held various positions in Narvik city council during the terms 1931–1934 and 1933–1937.