TDS may refer to: Business and finance Tax Deducted at Source, in India Tenancy Deposit Scheme (England and Wales) Telephone and Data Systems, a US company TDS Telecom, a subsidiary Thompson Dorfman Sweatman, a law firm, Winnipeg, Canada Technology Tabular Data Stream, a computer protocol TeX Directory Structure, for TeX system files Transposition driven scheduling, in parallel computer systems Time-driven switching, in data communications Technical data sheet in CDMA technology An oscilloscope series by Tektronix Tower Defense Simulator, a Roblox game made by the group Paradoxum Games Military Tonga Defence Services United States Army Trial Defense Service Science Ter die sumendum, a medical abbreviation for 3 times daily Thermal desorption spectroscopy, to observe molecules desorbed from a surface Tornado debris signature on weather radar Total dissolved solids in water Transderivational search or fuzzy search in psychology Other uses The Daily Show, US TV program TopDrawerSoccer.com, a website Trump derangement syndrome, term used by supporters of former US President Donald Trump Tokyo DisneySea, Japan TDS Racing, a French auto racing team The Downward Spiral, a 1994 album by Nine Inch Nails See also TD (disambiguation)