LTD or Ltd may refer to:
Business and finance Private company limited by shares, a class of company in the UK and some Commonwealth nations Limited company, a class of company in several countries with limited liability Lifetime deal, a customer retention tactic where for a one-time payment a business provides a service or tool indefinitely (i.e. for its lifetime) without recurring charges
Music LTD (album), a 1998 album by Buck-Tick L.T.D. (band) (for "Love, Togetherness and Devotion"), a 1970s funk music group
Science and technology Linear transformer driver, which generates short high-current pulses Long-term depression, in physiology, an hours-long reduction in the efficacy of synapses
Transportation Ford LTD (Americas), a series of vehicles produced 1965–1986 Ford LTD (Australia), a series of vehicles produced 1973–2007 Lane Transit District, a public transportation agency in Oregon, US
Other uses LTD, a brand of guitars and basses made by ESP Guitars LTD Powersports, a stock car racing team