David Samuel Goyer (22 December 1965) is an American writer who has written comic book scripts as JSA and it has participated as director and screenwriter films.

He is known for writing the script of the Blade trilogy films (the latest version of all three films directed). Along with Christopher Nolan wrote film later versions of the fictional character Batman: Batman Begins (2005) and The Dark Knight (2008). Also wrote and directed The Unborn tape in 2009.