Hjalmar Andersen
| full name | Hjalmar Johan Andersen | |
| nationality | Norway (NOR) | |
| born | March 1923 | in Rødøy (Norway) |
| died | March 2013 | in Oslo (Norway) |
| family | grandfather of Fredrik van der Horst | |
| Navigation | Championships | World Records |
Championships - Medal table and top 10 positions
| kampioenschap | gold | silver | bronze | 4th-6th | 7th-10th | starts |
 Olympic Games | 3 | 0 | 0 | 1 | 0 | 5 |
| WCh Allround | 3 | 0 | 0 | 2 | 1 | 7 |
 ECh Allround | 3 | 2 | 0 | 0 | 0 | 6 |
Championships - Results
| year | position | championship | place | |
| 1949 | 6 | WCh Allround | Oslo | NOR |
2  | ECh Allround | Davos | SUI | |
| 1950 | 1  | WCh Allround | Eskilstuna | SWE |
| 1 | ECh Allround | Helsinki | FIN | |
| 1951 | 1 | WCh Allround | Davos | SUI |
| 1 | ECh Allround | Oslo | NOR | |
| 1952 | 1 | Olympic Games 1500 meters | Oslo | NOR |
| 1 | Olympic Games 5000 meters | Oslo | NOR | |
| 1 | Olympic Games 10,000 meters | Oslo | NOR | |
| 1 | WCh Allround | Hamar | NOR | |
| 1 | ECh Allround | Östersund | SWE | |
| 1954 | 6 | WCh Allround | Sapporo | JPN |
| 2 | ECh Allround | Davos | SUI | |
| 1955 | 9 | WCh Allround | Moscow | URS |
| NC17 | ECh Allround | Falun | SWE | |
| 1956 | 11 | Olympic Games 5000 meters | Cortina d'Ampezzo | ITA |
| 6 | Olympic Games 10,000 meters | Cortina d'Ampezzo | ITA | |
| 16 | WCh Allround | Oslo | NOR | |
