2021 Deceuninck–Quick-Step season
The 2021 season for was the 19th season in the team's existence, and the third under the current name. The team has been a UCI WorldTeam since 2005, when the tier was first established.
The team's performances resulted in them winning the UCI World Team Ranking for the third time in four years.
Team roster
;Riders who joined the team for the 2021 season| Rider | 2020 team |
| Mark Cavendish | |
| Josef Černý |
;Riders who left the team during or after the 2020 season