| Personal information | |||
|---|---|---|---|
| Full name | Leif Bernhard Nielsen | ||
| Date of birth | 28 May 1942 | ||
| Place of birth | Copenhagen, Denmark | ||
| Date of death | 11 June 2026 (aged 84) | ||
| Place of death | Skovlunde, Denmark | ||
| Position(s) | Goalkeeper | ||
| Senior career* | |||
| Years | Team | Apps | (Gls) |
| 1961–1967 | BK Frem | 164 | (0) |
| 1968 | Houston Stars | 30 | (0) |
| 1969–1971 | Greenock Morton | 54 | (0) |
| Total | 248 | (0) | |
| International career | |||
| 1960 | Denmark U19 | 2 | (0) |
| 1963 | Denmark U21 | 1 | (0) |
| 1964–1967 | Denmark | 28 | (0) |
| Managerial career | |||
| Hero | |||
| 1978–1979 | Brønshøj | ||
| *Club domestic league appearances and goals | |||
Leif Bernhard Nielsen (28 May 1942 – 11 June 2026) was a Danish footballer. He played as a goalkeeper for the Denmark national team, and played for them at the 1964 European Nations' Cup. He was known as one of the best BK Frem players of all time.
Nielsen died on 11 June 2026, aged 84. Near the end of his life, he suffered from dementia, and spent the last nine months of his life in a care home in Skovlunde.