The name Yahaira is of Spanish origin and is traditionally a girl’s name. The meaning of Yahaira is ‘to light’ or ‘to shine'. In Hebrew, it means ‘God enlightens’. Famous people with this name include Yahaira Sierra-Sastre, a Puerto Rican scientist and astronaut who is one of the six people selected for the Mars Analog Mission by NASA. Yahaira Plasencia is a Peruvian singer who was the winner of the show ‘Reyes del Show’. Yahaira is also the name of a shapewear and lingerie brand.