| 2019 Miami Open | |
|---|---|
| Date | March 18–31 |
| Edition | 35th |
| Category | Masters 1000 (ATP) Premier Mandatory (WTA) |
| Draw | 96S/48Q/32D |
| Prize money | $9,035,428 (ATP) $9,035,428 (WTA) |
| Surface | Hard (Outdoor) |
| Location | Miami Gardens, Florida, United States |
| Venue | Hard Rock Stadium |
| Champions | |
| Men's singles | |
 Roger Federer | |
| Women's singles | |
 Ashleigh Barty | |
| Men's doubles | |
 Bob Bryan / Mike Bryan | |
| Women's doubles | |
 Elise Mertens /  Aryna Sabalenka | |
The 2019 Miami Open (sponsored by Itaú) was a professional men and women's tennis tournament played on outdoor hard courts that started on March 18, 2019, and ended on March 31, 2019. It was the 35th edition of the Miami Open, and part of the Masters 1000 category on the 2019 ATP Tour, and of the Premier Mandatory category on the 2019 WTA Tour. This was the first time the tournament took place at the Hard Rock Stadium in Miami Gardens, Florida, United States.