| Competition: | Cook Islands Round Cup |
| Season: | 2017 |
| Winners: | Tupapa Maraerenga |
| Continentalcup1: | 2018 OFC Champions League |
| Promoted: | None |
| Relegated: | None |
| Matches: | 42 |
| Total Goals: | 192 |
| Biggest Home Win: | Tupapa Maraerenga 7–0 Takuvaine |
| Biggest Away Win: | Titikaveka 0–7 Tupapa Maraerenga |
| Highest Scoring: | Puaikura 8–3 Titikaveka |
| Prevseason: | 2016 |
| Nextseason: | 2018 |
The 2017 Cook Islands Round Cup was the forty-fourth recorded season of top flight association football competition in the Cook Islands, with any results between 1951 and 1969 and also in 1986 and 1988–1990 currently unknown.[1] The competition kicked off on 25 August 2017.[2] Tupapa Maraerenga added to their championships as they had won the 2017 cup. The champions of the league qualified for the 2018 OFC Champions League