Joana Sainz Garcia (1989 – September 1, 2019) was a Spanish singer, dancer, and songwriter from Madrid, Spain.^[1] She was killed in a stage explosion on September 1, 2019.^[2]

Garcia was raised in Santander, a port city on Spain's north coast in the Cantabria region. She later moved to Suances, also in Cantabria. "The first time I saw her, when she came, I realized her virtues. She was a girl with a lot of energy, with a lot of desire. From the beginning, I saw her a dancer,” Garcia's teacher, Marta Rojo, told El Español. Rojo remembered that Garcia started formal dance training in 2010.

Sainz was the principal dancer and chief choreographer of Spain's Super Hollywood Orchestra.^{[citation needed]} The group were known for their exciting performances which used many special effects, including fireworks.^[3]

Joana Sainz died on September 1, 2019, while performing in front of an audience of 1000 people, at a four-day music festival at Las Berlanas.^[4] A pyrotechnic device used during the performance exploded next to her.^[2][5] She was struck in the stomach by a faulty cartridge used in the pyrotechnic device.^[4][3]