| Tournament Name: | 2017 Dafabet English Open |
| Venue: | Barnsley Metrodome |
| Location: | Barnsley |
| Country: | England |
| Organisation: | World Snooker |
| Format: | Ranking event |
| Total Prize Fund: | £366,000 |
| Winners Share: | £70,000 |
| Highest Break: | (147) |
| Score: | 9–2 |
| Previous: | 2016 |
| Next: | 2018 |
The 2017 English Open (officially the 2017 Dafabet English Open) was a professional ranking snooker tournament that took place from 16 to 22 October 2017 in Barnsley, South Yorkshire, England.[1] It was the seventh ranking event of the 2017/2018 season and a part of the Home Nations Series.
Liang Wenbo was the defending champion, having beaten Judd Trump 9–6 in the 2016 final. Liang made a maximum break in his second round match against Tom Ford, but lost in the third round to Yan Bingtao. His maximum won him the "rolling 147 prize" of £40,000.
Ronnie O'Sullivan captured his 29th ranking title by beating Kyren Wilson 9–2 in the final. With his win O'Sullivan tied John Higgins for 2nd place on the all-time list of ranking event wins, only behind Stephen Hendry.[2]
The breakdown of prize money for this year is shown below:[3]
The "rolling 147 prize" for a maximum break stood at £40,000
| width=45% | width=10% | width=45% | |||
|---|---|---|---|---|---|
| Allan Taylor | 4–3 | ||||
| 3–4 |  Zhang Anda |
| Final: Best of 17 frames. Referee: Colin Humphries. Barnsley Metrodome, Barnsley, England, 22 October 2017. | |||
| Ronnie O'Sullivan (13) | 9–2 | Kyren Wilson (15) | |
| Afternoon: 115–19 (115),,,,,,, Evening: 69–32 (50),, | |||
| 132 | Highest break | 109 | |
| 4 | Century breaks | 1 | |
| 9 | 50+ breaks | 2 | |
Total: 83