LDS is a three-letter acronym that can refer to: Latter Day Saint, any person who identifies with the religious Latter Day Saint movement. Latter-day Saint, a member of The Church of Jesus Christ of Latter-day Saints (also known as the Mormon church or the LDS Church). Liberal Democracy of Slovenia, a political party in Slovenia. LDS (automobile), a single-seater racing car from the South African Formula 1 Championship. Local Digital Switch, the telephone exchange upon which a RDT depends.… (More on Lds)