The 2018 Sporting Kansas City season is the twenty-third season of the team's existence in Major League Soccer and the eighth year played under the Sporting Kansas City moniker.

As of October 10, 2018[1] Note: Flags indicate national team as defined under FIFA eligibility rules; some limited exceptions apply.

Per Major League Soccer and club policies terms of the deals do not get disclosed.

Only trades involving draft picks and executed after the start of 2018 MLS SuperDraft will be listed in the notes.

Per Major League Soccer and club policies terms of the deals do not get disclosed.