Lucia Lucas (born July 3, 1980) is an American transgender baritone.

[1][2] On March 1, 2018, it was announced that she would become the first transgender person to perform a principal role on an American operatic stage.

[4] She studied horn and voice at California State University, Sacramento and then did graduate work at the Chicago College of Performing Arts.

She began to take estrogen and antiandrogens in July 2014, and underwent facial feminization surgery in September.

[5][6] The performance is the subject of the 2020 feature documentary The Sound of Identity, directed by James Kicklighter.