| Lonnie Nielsen | |
|---|---|
| Personal information | |
| Full name | Lonnie Dean Nielsen |
| Born | June 29, 1953 Belle Plaine, Iowa, U.S. |
| Died | January 20, 2021 (aged 67) Clarence, New York, U.S. |
| Height | 5 ft 11 in (1.80 m) |
| Weight | 200 lb (91 kg; 14 st) |
| Sporting nationality |  United States |
| Spouse | Mary Jo (1977–2021) |
| Children | 3 |
| Career | |
| College | University of Iowa |
| Turned professional | 1976 |
| Former tour(s) | PGA Tour Champions Tour |
| Professional wins | 39 |
| Number of wins by tour | |
| PGA Tour Champions | 2 |
| Other | 37 |
| Best results in major championships | |
| Masters Tournament | DNP |
| PGA Championship | T11: 1986 |
| U.S. Open | CUT: 1977, 1983 |
| The Open Championship | DNP |
Lonnie Dean Nielsen (June 29, 1953 – January 20, 2021) was an American professional golfer.