Robert W. Monster (born 1966 or 1967) is a Dutch-American technology executive and the founder and chief executive officer of Epik, a domain registrar and web host known for providing services to websites that host far-right, neo-Nazi, and extremist content. He has received media attention in relation to Epik, particularly surrounding his 2018 statements about Epik customer Gab, a social network known for its far-right userbase. He has also received attention for controversial statements, including some in which he has promoted various conspiracy theories.