Lydia Butthole Kollins, better known simply as Lydia B Kollins (born May 29, 2001), is an American drag performer, filmmaker, and model who competed on RuPaul's Drag Race Season 17 and RuPaul's Drag Race All Stars Season 10.

Her in-drag first name, Lydia, is derived from the Beetlejuice character Lydia Deetz. She is a filmmaker, and cites Tim Burton, John Waters, and David Lynch as inspirations. As a model, she walked for Susanne Bartsch’s "Bartsch Summer Camp Pride" event in 2021. She opened for Chappell Roan’s Pittsburgh show as part of The Midwest Princess Tour in April 2024.