I don’t have an essay for this as I did with Punk. But here is the start of a list.
Amanda Lear was a disco star in the 1970s.
Sylvester James is best known for the disco classic "You Make Me Feel (Mighty Real)", 1978.
Eva Robin's as Cassandra recorded the classic, Disco Panther, 1977.
Romy Haag's singles in the late 1970s.
Divine became a disco singer in the 1980s: “You think that you’re a man”
Brian Belovitch as Tish Gervais was a disco singer in the 1990s.
Al Pillay, after his faux sex change, became a disco singer in the 1990s.
Cristina Ortiz Rodriguez sang ‘Veneno pa tu piel’ in 1996.