The Inagua woodstar, also called the lyre-tailed hummingbird, is a species of hummingbird in tribe Mellisugini of subfamily Trochilinae, the "bee hummingbirds". It is endemic to the two islands of the Inagua district of the Bahamas.

Mellisugini is one of the three tribes that make up the subfamily Trochilinae in the hummingbird family Trochilidae. The other two tribes in the subfamily are Lampornithini and Trochilini (emeralds).