 | |||
| Tournament details | |||
|---|---|---|---|
| Dates | 18–23 May | ||
| Edition | 4th | ||
| Level | Super 300 | ||
| Total prize money | US$140,000 | ||
| Venue | Palacio de los Deportes Carolina Marín | ||
| Location | Huelva, Spain | ||
| Champions | |||
| Men's singles |  Toma Junior Popov | ||
| Women's singles |  Putri Kusuma Wardani | ||
| Men's doubles | Pramudya Kusumawardana Yeremia Rambitan | ||
| Women's doubles | Yulfira Barkah Febby Valencia Dwijayanti Gani | ||
| Mixed doubles | Rinov Rivaldy Pitha Haningtyas Mentari | ||
| |||
The 2021 Spain Masters was a badminton tournament which was held at the Palacio de los Deportes Carolina Marín in Huelva, Spain, from 18 to 23 May 2021 with a total prize purse of $140,000.