Alastair King (born 1967) is a British composer, perhaps best known for his music for film and television.
He studied music at Bath College of Higher Education, graduating in 1991. He then undertook postgraduate study at Birmingham University and the University of Kansas.
His work Hit the Ground (Running, Running, Running) was the only European entry in the final of the composing competition Masterprize 2001.
In addition to his concert works, King has composed music for various films, including Shrek, Chicken Run, and Harry Potter and the Half-Blood Prince and television programmes, including the FIFA World Cup 2002, The Last Detective, Second Nature and William and Mary.