| Office: | Minister of Agriculture |
| Term Start: | 19 November 1951 |
| Term End: | 22 January 1955 |
| Primeminister: | Oscar Torp |
| Predecessor: | Kristian Fjeld |
| Successor: | Olav Meisdalshagen |
| Office2: | State Secretary for the Ministry of Agriculture |
| Term Start2: | 19 March 1948 |
| Term End2: | 19 November 1951 |
| Primeminister2: | Einar Gerhardsen |
| Minister2: | Kristian Fjeld |
| Birth Name: | Rasmus Mathias Nordbø |
| Birth Date: | 5 February 1915 |
| Birth Place: | Førde, Sogn og Fjordane, Norway |
| Party: | Labour |
Rasmus Mathias Nordbø (5 February 1915 23 February 1983) was a Norwegian administrator and government minister. He served as state secretary to the Minister of Agriculture in the second cabinet of Einar Gerhardsen (1948-1951), and later himself as Minister of Agriculture in the cabinet of Oscar Torp (1951-1955).[1]
Later Nordbø was County Minister of Agriculture for Sogn og Fjordane from 1955 to 1964, when he was given the same post for the county of Vestfold. He also served as a member of the municipal council of Førde.[2]