2017–18 Scarlets season
| 2017–18 season | |||
| Head coach | Wayne Pivac | ||
|---|---|---|---|
| Chief executive | Darran Phillips | ||
| Chairman | Nigel Short | ||
| Pro 14 | Runners-up | ||
| European Rugby Champions Cup | Semi-finals | ||
| Anglo-Welsh Cup | Pool stage, 4th | ||
| Top try scorer | League: Johnny McNicholl (9) All: Johnny McNicholl (11) | ||
| Top points scorer | League: Leigh Halfpenny (101) All: Leigh Halfpenny (169) | ||
| Highest home attendance | 15,373 vs. La Rochelle (30 March 2018) | ||
| Lowest home attendance | 3,021 vs. Sale Sharks (2 February 2018) | ||
| Average home attendance | 9,129 | ||
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The 2017–18 season is the 15th season in the history of the Scarlets, a Welsh rugby union regional side based in Llanelli, Carmarthenshire. This season, they are competing in the newly revamped Pro14 as the defending champions, the Rugby Champions Cup and the Anglo-Welsh Cup. This season, Welsh international Liam Williams and Canadian international D. T. H. van der Merwe departed the club, while Welsh internationals Leigh Halfpenny and Tom Prydie and Australia Sevens international Paul Asquith were among the new arrivals.