Portland Thorns FC is an American professional women's soccer club which began play in the National Women's Soccer League's (NWSL) inaugural season in 2013. All Thorns players who have appeared for the team in an official competition or have been contracted to play for the team are listed below.

• The list is ordered first by total number of appearances, then by number of regular-season appearances, and then if necessary in alphabetical order.
• Appearances as a substitute are included.
• Statistics are correct as of October 29, 2022^[update], the end of the 2022 NWSL season, and are updated once a year after the conclusion of the NWSL season.
• Players whose names are highlighted in bold were active players on the Thorns roster as of the list's most recent update.

Nationality

Unless otherwise noted, the nationality of a player is determined by the country they most recently represented in international play, or if said player has not played international football then by their country of birth.

Position

Playing positions are listed according to the player's roster designation as of the list's most recent update.

Thorns career

Thorns career is defined as the first and last calendar years in which the player was rostered for the club in any of the competitions listed below.

Appearances

This list counts appearances only in official NWSL competitions, including the NWSL regular season, playoffs, Challenge Cup, and Fall Series.

• List of top-division football clubs in CONCACAF countries
• List of professional sports teams in the United States and Canada