Ivar Nilsson
| full name | Ivar Bengt Nilsson | |
| nationality | Sweden (SWE) | |
| born | June 1933 | in Göteborg (Sweden) |
| died | February 2019 | in Hindås (Sweden) |
Championships - Medal table and top 10 positions
| kampioenschap | gold | silver | bronze | 4th-6th | 7th-10th | starts |
 Olympic Games | 0 | 0 | 0 | 1 | 3 | 5 |
| WCh Allround | 0 | 0 | 1 | 1 | 2 | 6 |
 ECh Allround | 0 | 0 | 0 | 3 | 0 | 6 |
Championships - Results
| year | position | championship | place | |
| 1960 | 7 | Olympic Games 5000 meters | Squaw Valley | USA |
| 4 | Olympic Games 10,000 meters | Squaw Valley | USA | |
| 12 | WCh Allround | Davos | SUI | |
| 4 | ECh Allround | Oslo | NOR | |
| 1961 | 6 | WCh Allround | Göteborg | SWE |
| 4 | ECh Allround | Helsinki | FIN | |
| 1962 | 3  | WCh Allround | Moscow | URS |
| 13 | ECh Allround | Oslo | NOR | |
| 1963 | 8 | WCh Allround | Karuizawa | JPN |
| 6 | ECh Allround | Göteborg | SWE | |
| 1964 | 19 | Olympic Games 1500 meters | Innsbruck | AUT |
| 7 | Olympic Games 5000 meters | Innsbruck | AUT | |
| 10 | Olympic Games 10,000 meters | Innsbruck | AUT | |
| 8 | WCh Allround | Helsinki | FIN | |
| 14 | ECh Allround | Oslo | NOR | |
| 1965 | 15 | WCh Allround | Oslo | NOR |
| 16 | ECh Allround | Göteborg | SWE | |
