John Thomas Holiday Jr. (born March 31, 1985) is an American operatic countertenor. His repertoire focuses on the Baroque and contemporary composers, including staged opera and opera in concert, works for voice and orchestra, and experimental mixed-media. He has participated in several world premieres. He has performed with several opera companies in the United States, toured with the Los Angeles Philharmonic, and sung in Shanghai and several European cities. He also sings gospel, pop, and jazz; he was a contestant on season 19 of NBC's The Voice, a vocal competition television series.