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.
- Location-dependent Service (also called Location-based service), advertising sent through a mobile network based on current location.
- The Loudness Sound System, an audio format.
- "Legislatively directed spending", the term US Speaker of the House Nancy Pelosi has requested used instead of Earmarks.
- League Division Series - The first round of the Major League Baseball postseason
- Leeds railway station, England; National Rail station code LDS.
