William Nigh (October 12, 1881 – November 27, 1955) was an American film director, writer, and actor. His film work sometimes lists him as either "Will Nigh" or "William Nye".

He was born in Berlin, Wisconsin. His film career began with acting in 17 films in 1913 and 1914; he also directed one of these, Salomy Jane. He acted in 8 more films in the 1910s and two more in the 1920s, but directed a total of 119 films, the last in 1948.