David William Lacy DL (born 26 April 1952) is a minister of the Church of Scotland.
Lacy was ordained in 1976 whilst serving as Probationer at St George's West Church in Edinburgh.
In 1977 he was inducted to Knightswood St. Margaret's Parish Church, Glasgow, his first charge.
His formal title (following the end of his Moderatorial year) is the Very Reverend Dr David Lacy.
Lacy was one of five candidates considered by the Committee to Nominate the Moderator.