Yunidis Castillo (born 6 June 1987) is a Paralympic athlete from Cuba competing mainly in category T46 sprint events.
She competed in the 2004 Summer Paralympics in Athens, Greece. There she finished thirteenth in the women's Long jump - F44-46 event. She also competed at the 2008 Summer Paralympics in Beijing, China. There she won a gold medal in the women's 100 metres - T46 event and a gold medal in the women's 200 metres - T46 event.
At the 2012 Summer Paralympics in London, she won gold medal in the women's 100 metres, 200 metres and 400 metres T46 events setting new world record in all of them.
She lost her right arm in a car accident at the age of 10.