| Jos Lammertink | |
| Birth Date: | 28 March 1958 |
| Birth Place: | Wierden, Overijssel, Netherlands |
| Currentteam: | Retired |
| Discipline: | Road racing |
| Role: | Rider |
| Proyears1: | 1980-1981 |
| Proteam1: | HB Alarmsystemen |
| Proyears2: | 1982 |
| Proteam2: | B&S Wegenbouw-Elro Snacks |
| Proyears3: | 1983 |
| Proteam3: | Vivi - Benotto |
| Proyears4: | 1984-1986 |
| Proteam4: | Panasonic |
| Proyears5: | 1987-1988 |
| Proteam5: | Transvemij-Van Schilt |
| Proyears6: | 1989 |
| Proteam6: | Transvemij-Van Ragno |
| Majorwins: | 1st in the Dutch National Road Race Championship (1986) |
Jos Lammertink (born 28 March 1958, in Wierden, Overijssel) is a retired road bicycle racer from the Netherlands, who was a professional rider from 1980 to 1989. He won the Dutch title in the men's road race in 1986. That same year he was involved in a crash during stage four of the Tour de France that forced him to abandon, suffering from a fracture on his left front skull.