2019 Brisbane International – Men's singles
| Men's singles | |
|---|---|
| 2019 Brisbane International | |
| Champion | Kei Nishikori | 
| Runner-up | Daniil Medvedev | 
| Score | 6–4, 3–6, 6–2 | 
| Draw | 28 (4 Q / 3 WC ) | 
| Seeds | 8 | 
Kei Nishikori defeated Daniil Medvedev in the final, 6–4, 3–6, 6–2 to win the men's singles tennis title at the 2019 Brisbane International. The win ended Nishikori's streak of nine consecutive finals lost on the ATP Tour.
Nick Kyrgios was the defending champion, but lost in the second round to Jérémy Chardy.