Lightwood may refer to: Trees Acacia implexa, Australian tree Fatwood, the resinous core of the pine tree, in the Southern United States

Places United Kingdom Lightwood, Stoke-on-Trent, Staffordshire Lightwood, Derbyshire Lightwood, Ditton Priors, Shropshire Lightwood, Hinstock, Shropshire Lightwood, Staffordshire Moorlands, Staffordshire Lightwood Reservoir, in Derbyshire

United States Lightwood, Alabama, United States, a place in Elmore County Lightwood House, plantation house in Virginia

People with the name Ray Lightwood (1922–2001), British medical engineer Reginald Cyril Lightwood, writing in 1935, namesake of Lightwood–Albright syndrome Simon Lightwood (born 1979/1980), British politician

Fictional characters Alec Lightwood and Isabelle Lightwood, from The Mortal Instruments novels by Cassandra Clare Maryse, Max and Robert Lightwood, secondary characters from the same novels

Other uses Lightwood, 1939 novel by Brainard Cheney Lightwood's law, in paediatric medicine Lightwood Hoard, found near Lightwood, Stoke-on-Trent