Paul Martin Dahlø (29 August 1885 - 2 May 1967) was a Norwegian politician for the Labour Party.
He was elected to the Norwegian Parliament from Sør-Trøndelag in 1945, and was re-elected on two occasions. He had previously served as a deputy representative during the terms 1928 - 1930, 1931 - 1933 and 1937 - 1945.
Dahlø was born in Frøya and a member of Sør-Frøya municipality council between 1925 and 1955, except for a period between 1941 and 1945. He served as mayor in the periods 1934 - 1937, 1937 - 1941 and 1945 - 1947.
Outside politics, he was a fisher. He was a member of the board of Norges sildesalslag 1936-1945, Fiskernes samkjøp 1938-1950 and Norges Fiskarlag 1945-1951.