John Laurence Wilcox was a British cinematographer active from the early 1940's up to his death in 1979. During that period he worked on numerous films, either as DOP (Director of Photography), director of second camera units on large budget films, or simply as a cameraman.

In the 1940s, 1950s and early 1960s he lensed several popular films, such as Carve Her Name with Pride, The Cockleshell Heroes, Safari, The Mouse That Roared, and Summer Holiday. In the mid 1960s, he struck up a good working relationship with horror director Freddie Francis, and they worked together on horror classics such as The Skull, Hysteria, The Evil of Frankenstein, The Deadly Bees, The Ghoul, and Legend of the Werewolf.

As director of second camera units he worked on films such as The Third Man, The Guns of Navarone, Casino Royale and The Eagle Has Landed.