| 2018 season | |||
|---|---|---|---|
| President | Merritt Paulson | ||
| Head coach | Mark Parsons | ||
| Stadium | Providence Park Portland, Oregon (Capacity: 21,144) | ||
| National Women's Soccer League | 2nd | ||
| NWSL Playoffs | Final (eliminated by North Carolina Courage) | ||
| Top goalscorer | Lindsey Horan (13 goals) | ||
| Highest home attendance | 21,144 (Sept. 7 vs. Seattle reign FC) | ||
| Lowest home attendance | 14,485 (Apr. 20 vs. Washington Spirit) | ||
| Average home league attendance | 16,959 | ||
| Biggest win | 4–0 (Jul. 6 vs. Utah Royals FC) | ||
| Biggest defeat | 1–4 (May 30 vs. North Carolina Courage) | ||
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The 2018 Portland Thorns FC season was the team's sixth season of existence. The Thorns played in the National Women's Soccer League (NWSL), the top division of women's soccer in the United States. The Thorns entered the season as defending NWSL Champions.