Warren Cowan (March 13, 1921 – May 14, 2008) was a prominent American film industry publicist. From 1950 to 1992, he was a co-founder and named partner in Rogers & Cowan, the world's largest publicity firm; he established his own firm Cowan & Associates in 1994. At the time of his death, he was described as "one of Hollywood’s most powerful and innovative publicists", known for his creative use of independent publicity.