William Lincoln Christie (born December 19, 1944) is a conductor and harpsichordist.

He was born in Buffalo, New York, and studied art history at Harvard and music at Yale. His teachers included Ralph Kirkpatrick and Kenneth Gilbert. He moved to France in 1971, and became known for his interpretations of Baroque music, particularly French Baroque music. In 1979 he founded Les Artes Florissants, an ensemble devoted to Baroque music. He has also taught at the Paris Conservatoire.