| Birth Date: | 19 October 1940 |
| Birth Place: | Avereest, the Netherlands |
| Height: | 1.89m (06.2feet) |
| Weight: | 84kg (185lb) |
| Sport: | Rowing |
| Club: | Triton, Utrecht |
| Show-Medals: | yes |
Frederik Klaas Jan "Erik" Hartsuiker (19 October 1940 - 13 January 2019) was a Dutch rower who competed at the 1964 and 1968 Summer Olympics. In 1964, he won a bronze medal in the coxed pairs event, together with Herman Rouwé and Jan-Just Bos. Four years later, he finished ninth in the coxed fours competition.