| Champ: |  Feliciano López |
| Runner: |  Gilles Simon |
| Score: | 6–2, 6–7(4–7), 7–6(7–2) |
| Draw: | 32 |
| Seeds: | 8 |
| Type: | queensclubtennistournament |
| After Year: | 2021 |
See main article: article and 2019 Queen's Club Championships.
Marin Čilić was the defending champion, but lost in the second round to Diego Schwartzman.
Feliciano López won the title for the second time in three years, defeating Gilles Simon in the final, 6–2, 6–7(4–7), 7–6(7–2).