| Tom Cato Karlsen | |
| Birth Date: | 1974 6, df=y |
| Birth Place: | Norway |
| Citizenship: | Norway |
| Nationality: | Norwegian |
| Party: | Progress |
| Occupation: | Anesthesiologist |
| Profession: | Politician |
| Office: | County Governor of Nordland |
| Term Start: | 1 January 2019 |
| Primeminister: | Erna Solberg Jonas Gahr Støre |
| Predecessor: | Hill-Marta Solberg |
| Office2: | Deputy Mayor of Bodø |
| Term Start2: | 2011 |
| Term End2: | 2014 |
| 1Blankname2: | Mayor |
| 1Namedata2: | Ole-Henrik Hjatøy |
| Predecessor2: | Kirsten Hasvoll |
| Successor2: | Allan Ellingsen |
| Office3: | State Secretary for the Ministry of Transport and Communications |
| Term Start3: | 17 October 2014 |
| Term End3: | 1 December 2017 |
| Primeminister3: | Erna Solberg |
| Minister3: | Ketil Solvik-Olsen |
Tom Cato Karlsen (born 1974) is a Norwegian politician and anesthesiologist. He was elected as a deputy representative for the Parliament of Norway for Nordland county from 2013 to 2017. He also was a state secretary for the Ministry of Transport and Communications from 2014 to 2017. On 26 October 2018, he was appointed to be the new County Governor of Nordland county.[1]